Revert "[MIRROR] Replace all secondary flags with bitflags stored in the flags_2 var" (#2457)

ok you know what yeah i think i'll properly mirror https://github.com/Citadel-Station-13/Citadel-Station-13/pull/2411

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

@@ -4,7 +4,7 @@
 	var/ready = 0
 	var/spawning = 0//Referenced when you want to delete the new_player later on in the code.
 
-	flags_1 = NONE
+	flags = NONE
 
 	invisibility = INVISIBILITY_ABSTRACT
 
@@ -109,7 +109,7 @@
 	if(href_list["ready"])
 		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
+		//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