Fix many instances of "the the"

All uses of "the [src]" have been fixed, as well as other bad string
interpolation directly adjacent to such uses.

In addition to its message, the circumstances under which the tracking
implant locator fails have been updated to use the correct define,
malfunctioning on CentCom rather than on the station.

code/modules/fields/fields.dm

@@ -300,7 +300,7 @@
 
 /obj/item/device/multitool/field_debug/attack_self(mob/user)
 	operating = !operating
-	to_chat(user, "You turn the [src] [operating? "on":"off"].")
+	to_chat(user, "You turn [src] [operating? "on":"off"].")
 	if(!istype(current) && operating)
 		setup_debug_field()
 	else if(!operating)