Remove stray work notes files.

* These temp files accidentally got added during the unregistered nodes
  fixes.

mods/TODO.CORE

@@ -1,16 +0,0 @@
-CORE/_mcl_autogroup/init.lua:
--> Enumerates entries of the registered_nodes table.  Safe.
-
-CORE/flowlib/init.lua:
--> All instances are checked before use.
-
-CORE/mcl_explosions/init.lua:
--> Enumerates entries of the registered_nodes table.  Safe.
-
-CORE/walkover/init.lua:
--> Enumerates entries of the registered_nodes table.  Safe.
-
-CORE/mcl_util/init.lua:
--> All instances are checked before use.
-- should use local.
-- defines mcl_util.call_on_rightclick, but does not use it.

mods/TODO.ENTITIES

@@ -1,61 +0,0 @@
-ENTITIES/mcl_boats/init.lua:
--> All instances are checked before use.
-- one use in stray comment.
-- should use local or should use mcl_util.call_on_rightclick.
-
-ENTITIES/mcl_dripping/init.lua:
--> Only references one directly indexed entry. Safe.
-
-ENTITIES/mcl_mobs/api.lua:
--> Uses node_ok() that checks and always returns valid nodes. Safe.
-- line 1331 minetest.registered_items?  Fixed
-- should use locals.
-
-ENTITIES/mcl_mobs/spawning.lua:
--> Only instances in commented out spawning code. Safe.
-
-ENTITIES/mcl_mobs/mount.lua:
--> All instances shielded by node_ok(). Safe.
-
-ENTITIES/mobs_mc/snowman.lua:
--> All instances checked.  Safe.
-- line 107 belowdef.nod_box == nil ?
-
-ENTITIES/mobs_mc/2_throwing.lua:
--> All instances checked.  Safe.
-
-ENTITIES/mobs_mc/3_shared.lua:
--> Unchecked accesses. Fixed.
-
-ENTITIES/mobs_mc/enderman.lua:
--> Unchecked accesses. Fixed.
-- line 69: use indexed registered_nodes.
-- line 259: weird but works.
-- line 409 and onwards: restricted to takable_nodes.
-
-ENTITIES/mobs_mc/blaze.lua:
--> Unchecked access. Fixed.
-
-ENTITIES/mobs_mc/slime+magma_cube.lua:
--> Unchecked accesses. Fixed.
-
-ENTITIES/mobs_mc/5_spawn_abm_check.lua:
--> Does not appear to be used at all.
-- unchecked access.  Unfixed.
-
-ENTITIES/mcl_paintings/init.lua:
--> All instances checked.  Safe.
-
-ENTITIES/mcl_item_entity/init.lua:
--> Unchecked access.  Fixed.
-
-ENTITIES/mcl_falling_nodes/init.lua:
--> All instances checked.  Safe.
-- line 170: minetest.registered_nodes[self.node.name] is the same as bcd set on line 155
-  because of condition on line 164, therefore this access is safe.  Sloppy code though.
-
-ENTITIES/mcl_minecarts/init.lua:
--> Unchecked access.  Fixed.
-
-ENTITIES/mobs_mc_gameconfig/init.lua:
--> Only explicit indexing of registered_nodes. Safe

mods/TODO.ITEMS

@@ -1,156 +0,0 @@
-ITEMS/mcl_portals/portal_nether.lua
--> not checked.
-ITEMS/mcl_portals/portal_gateway.lua
--> not checked.
-ITEMS/mcl_portals/portal_end.lua
--> not checked.
-ITEMS/mcl_sponges/init.lua
--> not checked.
-ITEMS/mcl_beds/api.lua
--> not checked.
-ITEMS/mcl_beds/functions.lua
--> not checked.
-ITEMS/mcl_torches/api.lua
--> not checked.
-ITEMS/mcl_tools/init.lua
--> not checked.
-ITEMS/mcl_ocean/seagrass.lua
--> not checked.
-ITEMS/mcl_ocean/kelp.lua
--> not checked.
-ITEMS/mcl_ocean/corals.lua
--> not checked.
-ITEMS/mcl_ocean/sea_pickle.lua
--> not checked.
-ITEMS/mcl_lanterns/init.lua
--> not checked.
-ITEMS/mcl_stairs/api.lua
--> not checked.
-ITEMS/mcl_stairs/cornerstair.lua
--> not checked.
-ITEMS/mcl_dye/init.lua
--> not checked.
-ITEMS/mcl_bows/crossbow.lua
--> not checked.
-ITEMS/mcl_bows/bow.lua
--> not checked.
-ITEMS/mcl_bows/rocket.lua
--> not checked.
-ITEMS/mcl_bows/arrow.lua
--> not checked.
-ITEMS/mcl_buckets/init.lua
--> not checked.
-ITEMS/mcl_buckets/register.lua
--> not checked.
-ITEMS/mcl_throwing/register.lua
--> not checked.
-ITEMS/mcl_flowers/init.lua
--> not checked.
-ITEMS/mcl_tnt/init.lua
--> not checked.
-ITEMS/mcl_cocoas/init.lua
--> not checked.
-ITEMS/xpanes/init.lua
--> not checked.
-ITEMS/mcl_potions/tipped_arrow.lua
--> not checked.
-ITEMS/mcl_potions/potions.lua
--> not checked.
-ITEMS/mcl_potions/init.lua
--> not checked.
-ITEMS/mcl_end/end_crystal.lua
--> not checked.
-ITEMS/mcl_end/chorus_plant.lua
--> not checked.
-ITEMS/mcl_walls/init.lua
--> not checked.
-ITEMS/mcl_fishing/init.lua
--> not checked.
-ITEMS/mcl_composters/init.lua
--> not checked.
-ITEMS/mcl_heads/init.lua
--> not checked.
-ITEMS/mclx_fences/init.lua
--> not checked.
-ITEMS/mcl_mobspawners/init.lua
--> not checked.
-ITEMS/mclx_stairs/init.lua
--> not checked.
-ITEMS/mclx_core/init.lua
--> not checked.
-ITEMS/mcl_core/nodes_base.lua
--> not checked.
-ITEMS/mcl_core/nodes_misc.lua
--> not checked.
-ITEMS/mcl_core/nodes_cactuscane.lua
--> not checked.
-ITEMS/mcl_core/nodes_climb.lua
--> not checked.
-ITEMS/mcl_core/craftitems.lua
--> not checked.
-
-ITEMS/mcl_core/functions.lua
--> Unchecked accesses.  Fixed.
-
-ITEMS/mcl_fire/init.lua
--> not checked.
-ITEMS/mcl_fire/fire_charge.lua
--> not checked.
-ITEMS/mcl_fire/flint_and_steel.lua
--> not checked.
-ITEMS/mcl_banners/init.lua
--> not checked.
-ITEMS/mcl_farming/shared_functions.lua
--> not checked.
-ITEMS/mcl_farming/hoes.lua
--> not checked.
-ITEMS/mcl_farming/soil.lua
--> not checked.
-ITEMS/mcl_signs/init.lua
--> not checked.
-ITEMS/mcl_maps/init.lua
--> not checked.
-ITEMS/screwdriver/init.lua
--> not checked.
-ITEMS/mcl_nether/lava.lua
--> not checked.
-ITEMS/mcl_nether/nether_wart.lua
--> not checked.
-ITEMS/mcl_books/init.lua
--> not checked.
-ITEMS/mcl_chests/init.lua
--> not checked.
-ITEMS/mcl_hoppers/init.lua
--> not checked.
-ITEMS/mcl_colorblocks/init.lua
--> not checked.
-ITEMS/REDSTONE/mcl_dispensers/init.lua
--> not checked.
-ITEMS/REDSTONE/mcl_droppers/init_new.lua
--> not checked.
-ITEMS/REDSTONE/mcl_droppers/init.lua
--> not checked.
-ITEMS/REDSTONE/mcl_comparators/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_pressureplates/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_walllever/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_button/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons/internal.lua
--> not checked.
-ITEMS/REDSTONE/mesecons/util.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_mvps/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_wires/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_delayer/init.lua
--> not checked.
-ITEMS/REDSTONE/mesecons_pistons/init.lua
--> not checked.
-ITEMS/mcl_itemframes/init.lua
--> not checked.
-ITEMS/mcl_doors/api_doors.lua
--> not checked.

mods/TODO.MAPGEN

@@ -1,17 +0,0 @@
-MAPGEN/mcl_villages/buildings.lua
--> Only use is checked.  Safe.
-
-MAPGEN/mcl_villages/utils.lua
--> Only indexed uses.  Safe.
-
-MAPGEN/tsm_railcorridors/init.lua
--> Unchecked accesses.  Fixed.
-
-MAPGEN/mcl_structures/init.lua
--> Unchecked access. Fixed.
-
-MAPGEN/mcl_dungeons/init.lua
--> Unchecked accesses.  Fixed.
-
-MAPGEN/mcl_mapgen_core/init.lua
--> All uses are checked.  Safe.