Stop annoying people trying to explain how wantzel works: everyone can now say...

Stop annoying people trying to explain how wantzel works: everyone can now say ~rp without wantzel spam chan.

wantzel.py

@@ -105,7 +105,7 @@ def get_url(message):
     # Let's get the url
     result = re.search("(https?[^ ]+)", message)
     if not result:
-        return "http"
+        return
     url = result.group(1)
     # Removing anchor if needed
     result = re.search("^([^#]*)", url)
@@ -285,10 +285,7 @@ class Wantzel(object):
         note = 1
         url = get_url(msg)
         Utils.debug("url: %s" % url)
-        if url == "":
-            return
-        elif url == "http":
-            self.send_message(channel, messages["rp_http"] % user)
+        if not url:
             return
 
         # Looking for such an article in database