Remove some incorrect comments

lib/tapatalker.rb

@@ -257,7 +257,6 @@ helpers do
     respond_xmlrpc( result )
   end
 
-  # TODO! Very important
   def xmlrpc_login( user = nil, pass = nil, anonymous = false, push = '1' )
 
     return respond_xmlrpc(
@@ -309,7 +308,6 @@ helpers do
     )
   end
   
-  # also TODO
   def xmlrpc_logout_user
     discourse.session_destroy({})
     respond_xmlrpc( 'result' => true )
@@ -367,7 +365,6 @@ helpers do
     xmlrpc_get_latest_topic
   end
   
-  # FIXME: STUB.
   # In API level 4, we can say this doesn't exist and force tapatalk to use get_topic
   def xmlrpc_get_unread_topic( start_num = 0, last_num = 0, search_id = nil, filters = nil )