Revert "Only rebind web server on host/port changes"

This was a todo item from irclog, which has an extra value in config['web'] whose changes do not require a rebind.

This reverts commit 69e9daddec.

http2irc.py

@@ -990,7 +990,7 @@ class WebServer:
 		                                  map_['moduleargs'],
 		                                  map_['overlongmode']
 		                                ) for map_ in config['maps'].values()}
-		needRebind = (self.config['web']['host'], self.config['web']['port']) != (config['web']['host'], config['web']['port'])
+		needRebind = self.config['web'] != config['web']
 		self.config = config
 		if needRebind:
 			self._configChanged.set()