Remove unnecessary reference to idx

Author: zeroSteiner

lib/msf/ui/console/command_dispatcher/core.rb

@@ -1416,7 +1416,7 @@ def cmd_route(*args)
             'Netmask' => { 'MaxWidth' => 17 },
           })
 
-      Rex::Socket::SwitchBoard.each.with_index { |route, idx|
+      Rex::Socket::SwitchBoard.each { |route|
         if (route.comm.kind_of?(Msf::Session))
           gw = "Session #{route.comm.sid}"
         else