Fix a large number of typos (#89254)

Fixes a very large number of typos. A few of these fixes also extend to
variable names, but only the really egregious ones like "concious".

code/modules/transport/tram/tram_controller.dm

@@ -1152,7 +1152,7 @@
 /// Controller that sits in the telecoms room
 /obj/machinery/transport/tram_controller/tcomms
 	name = "tram central controller"
-	desc = "This semi-conductor is half of the brains controlling the tram and its auxillary equipment."
+	desc = "This semiconductor is half of the brains controlling the tram and its auxiliary equipment."
 	icon_state = "home-controller"
 	base_icon_state = "home"
 	density = TRUE

code/modules/transport/tram/tram_structures.dm

@@ -6,7 +6,7 @@
  *
  * if you map something on to the tram, make SURE if possible that it doesnt have anything reacting to its own movement
  * it will make the tram more expensive to move and we dont want that because we dont want to return to the days where
- * the tram took a third of the tick per movement when its just carrying its default mapped in objects
+ * the tram took a third of the tick per movement when it's just carrying its default mapped in objects
  */
 
 /obj/structure/grille/tram/Initialize(mapload)