Move pingtabletrequest to alphabetical order
Move pingtabletrequest to alphabetical order

Signed-off-by: notfelineit <010a0db69380f29c75ab33ee1c64d65cb5adea8d@gmail.com>

mahak/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,mahak/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess