Remove old OnIdle implementation that was left over by mistake

tipbot.py

@@ -266,7 +266,7 @@ def Disable(link,cmd):
 def OnIdle():
   if disabled:
     return
-  RunIdleFunctions([irc,redisdb])
+  RunIdleFunctions()
 
 def Quit(link,cmd):
   global networks
@@ -278,9 +278,6 @@ def Quit(link,cmd):
     network.quit()
   networks = []
 
-def OnIdle():
-  RunIdleFunctions()
-
 def OnIdentified(link, identified):
   if disabled:
     log_info('Ignoring identified notification for %s while disabled' % str(link.identity()))