Replace deprecated setting_get methods

init.lua

@@ -348,7 +348,7 @@ core.register_craftitem("sneeker:spawnegg", {
 			local pos = pointed_thing.above
 			pos.y = pos.y+1
 			core.add_entity(pos, "sneeker:sneeker")
-			if not core.setting_getbool("creative_mode") then
+			if not core.settings:get_bool("creative_mode", false) then
 				itemstack:take_item()
 			end
 			return itemstack

tnt_function.lua

@@ -1,7 +1,7 @@
 -- From TNT
 
 local cid_data = {}
-local radius = tonumber(core.setting_get("tnt_radius") or 3)
+local radius = tonumber(core.settings:get("tnt_radius") or 3)
 local large_radius = 5
 local loss_prob = {
 	["default:cobble"] = 3,