Removes Topic() rate limiting (#5026)

* Rate Limmiter removal

* Change log

code/modules/client/client defines.dm

@@ -37,7 +37,6 @@
 		////////////
 		//SECURITY//
 		////////////
-	var/next_allowed_topic_time = 10
 	var/info_sent = 0
 	// comment out the line below when debugging locally to enable the options & messages menu
 	//control_freak = 1

code/modules/client/client procs.dm

@@ -1,7 +1,6 @@
 	////////////
 	//SECURITY//
 	////////////
-#define TOPIC_SPAM_DELAY	2		//2 ticks is about 2/10ths of a second; it was 4 ticks, but that caused too many clicks to be lost due to lag
 #define UPLOAD_LIMIT		10485760	//Restricts client uploads to the server to 10MB //Boosted this thing. What's the worst that can happen?
 #define MIN_CLIENT_VERSION	0		//Just an ambiguously low version for now, I don't want to suddenly stop people playing.
 									//I would just like the code ready should it ever need to be used.
@@ -43,11 +42,6 @@
 
 		return
 
-	//Reduces spamming of links by dropping calls that happen during the delay period
-	if(next_allowed_topic_time > world.time)
-		return
-	next_allowed_topic_time = world.time + TOPIC_SPAM_DELAY
-
 	//search the href for script injection
 	if( findtext(href,"<script",1,0) )
 		world.log << "Attempted use of scripts within a topic call, by [src]"
@@ -517,7 +511,6 @@
 	query_accesslog.Execute()
 
 
-#undef TOPIC_SPAM_DELAY
 #undef UPLOAD_LIMIT
 #undef MIN_CLIENT_VERSION