Fix Phantom Globals (#4957)

Removes the phantom global definitions that Fowl found.

Fixes:

Game log in GELF not logging proper target.
Pylon attacks not detecting the actual firer of a damaging bullet.
A message in the mixer cooking machine.
A message in airbubbles.
A use_check sanity check in landmines.
Some messages in psych therapy code.
A view() checkk in psych therapy code.
CCIA being unable to announce incoming faxes in some circumstances.
Language whitelists potentially checking the whitelists of the last person to throw a tray in addition to the pref mob.
Fixes some messages/sounds with some custom items.
Fixes a message with digging into the asteroid.
Fixes electrocution code not properly checking for absurdly long hair.
Fixes a broken message in devour.
Fixes a targeting issue with player-controlled hostile ranged mobs.
Fixes failure behavior for modular RnD guns.
Fixes an intent safety check on gun aim.
Fixes the Harvester knock spell potentially not working.

code/modules/reagents/reagent_containers/blood_pack.dm

@@ -108,6 +108,7 @@
 				for (var/j = 0, j < strength - 1, j++) //The number of separate splatters
 					spray_loop:
 						var/direction = pick(alldirs)
+						var/target
 						for (var/i = 1, i < strength, i++) //The distance the splatters will travel from random direction
 							switch (direction)
 								if (NORTH)