* Remove redundant view_bobbing setting
Also fixes bug where disabling view_bobbing disables footstep sounds.
* Removes redundant view_bobbing setting
Setting view_bobbing amount to 0 is now the only way to
turn view_bobbing on and off. Also fixed a bug where footstep
sounds would not play when view_bobbing was disabled.
After this, it should hopefully not record line numbers anymore,
so the diffs of updatepo.sh runs are smaller. Well, this is theory,
lets see how it will turn out to be in practice.