Removes all checks for subsystem existence (#2252)

code/modules/mob/dead/new_player/new_player.dm

@@ -32,7 +32,7 @@
 /mob/dead/new_player/proc/new_player_panel()
 	var/output = "<center><p><a href='byond://?src=\ref[src];show_preferences=1'>Setup Character</a></p>"
 
-	if(SSticker && SSticker.current_state <= GAME_STATE_PREGAME)
+	if(SSticker.current_state <= GAME_STATE_PREGAME)
 		switch(ready)
 			if(PLAYER_NOT_READY)
 				output += "<p>\[ [LINKIFY_READY("Ready", PLAYER_READY_TO_PLAY)] | <b>Not Ready</b> | [LINKIFY_READY("Observe", PLAYER_READY_TO_OBSERVE)] \]</p>"
@@ -107,18 +107,17 @@
 		return 1
 
 	if(href_list["ready"])
-		if(SSticker)
-			var/tready = text2num(href_list["ready"])
-			//Avoid updating ready if we're after PREGAME (they should use latejoin instead)
-			//This is likely not an actual issue but I don't have time to prove that this
-			//no longer is required
-			if(SSticker.current_state <= GAME_STATE_PREGAME)
-				ready = tready
-			//if it's post initialisation and they're trying to observe we do the needful
-			if(!SSticker.current_state < GAME_STATE_PREGAME && tready == PLAYER_READY_TO_OBSERVE)
-				ready = tready
-				make_me_an_observer()
-				return
+		var/tready = text2num(href_list["ready"])
+		//Avoid updating ready if we're after PREGAME (they should use latejoin instead)
+		//This is likely not an actual issue but I don't have time to prove that this 
+		//no longer is required
+		if(SSticker.current_state <= GAME_STATE_PREGAME)
+			ready = tready
+		//if it's post initialisation and they're trying to observe we do the needful
+		if(!SSticker.current_state < GAME_STATE_PREGAME && tready == PLAYER_READY_TO_OBSERVE)
+			ready = tready
+			make_me_an_observer()
+			return
 
 	if(href_list["refresh"])
 		src << browse(null, "window=playersetup") //closes the player setup window

code/modules/mob/dead/observer/observer.dm

@@ -781,8 +781,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 
 /mob/dead/observer/proc/register_pai()
 	if(isobserver(src))
-		if(SSpai)
-			SSpai.recruitWindow(src)
+		SSpai.recruitWindow(src)
 	else
 		to_chat(usr, "Can't become a pAI candidate while not dead!")
 

code/modules/mob/living/carbon/death.dm

@@ -9,7 +9,7 @@
 		emote("deathgasp")
 
 	. = ..()
-	if(SSticker && SSticker.mode)
+	if(SSticker.mode)
 		SSticker.mode.check_win() //Calls the rounds wincheck, mainly for wizard, malf, and changeling now
 
 /mob/living/carbon/gib(no_brain, no_organs, no_bodyparts)

code/modules/mob/living/simple_animal/slime/death.dm

@@ -26,7 +26,7 @@
 
 	update_canmove()
 
-	if(SSticker && SSticker.mode)
+	if(SSticker.mode)
 		SSticker.mode.check_win()
 
 	return ..(gibbed)