Medbay Fixes for #3160 & Other

Removes airless tiles, fixes up CMO office, adds lights to viro
corridor, moves a couple holopads in medbay around.
Sets Bar East camera to correct network (SS13), Moves redundant security
holopad.
Merge pull request #3170 from Vetinarix/bleeding-edge-freeze

Medbay Fixes for #3160 & Other