Converts the check to a macro, names the macro better

code/__HELPERS/_macros.dm

@@ -93,6 +93,8 @@
 
 #define isobserver(A) istype(A, /mob/dead/observer)
 
+#define isjustobserver(A) (isobserver(A) && !isAdminGhost(A))
+
 #define isnewplayer(A) istype(A, /mob/new_player)
 
 #define isovermind(A) istype(A, /mob/camera/blob)

code/modules/food/cooking_machines.dm

@@ -170,7 +170,7 @@ var/global/ingredientLimit = 10
 	set category = "Object"
 	set src in oview(1)
 
-	if(ghostCheck(usr))
+	if(isjustobserver(usr))
 		return
 
 	if(cooks_in_reagents)

code/modules/mob/mob_helpers.dm

@@ -104,11 +104,6 @@ mob/proc/remove_internal_organ()
 			return 1
 	return 0
 
-/proc/ghostCheck(A) //Ghostbusters. Returns 1 if it's a ghost, returns 0 if they're an adminghost or otherwise
-	if(isobserver(A) && !isAdminGhost(A))
-		return 1
-	return 0
-
 /proc/canGhostRead(var/mob/A, var/obj/target, var/flags=PERMIT_ALL)
 	if(isAdminGhost(A))
 		return 1