[MIRROR] Cleaning up some defines (#7726)

Co-authored-by: CHOMPStation2 <chompsation2@gmail.com>
Co-authored-by: Selis <selis@xynolabs.com>

code/modules/research/message_server.dm

@@ -453,3 +453,6 @@ var/obj/machinery/blackbox_recorder/blackbox
 	if(!FV) return
 
 	FV.add_details(details)
+
+#undef MESSAGE_SERVER_SPAM_REJECT
+#undef MESSAGE_SERVER_DEFAULT_SPAM_LIMIT

code/modules/research/rdconsole_tgui.dm

@@ -638,3 +638,5 @@
 				PR.icon_state = "paper_words"
 				PR.forceMove(loc)
 				busy_msg = null
+
+#undef ENTRIES_PER_RDPAGE