RDMA/rxe: Remove unnecessary include statement

rxe_verbs.h includes the file <rdma/rdma_user_rxe.h>.  It should have been
<uapi/rdma/rdma_user_rxe.h>, however, it is not used and not required in
this file.

This patch removes the include statement.

Link: https://lore.kernel.org/r/20220630190425.2251-4-rpearsonhpe@gmail.comReported-by: Frank Zago <frank.zago@hpe.com>
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/rxe/rxe_verbs.h

@@ -9,7 +9,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/workqueue.h>
-#include <rdma/rdma_user_rxe.h>
 #include "rxe_pool.h"
 #include "rxe_task.h"
 #include "rxe_hw_counters.h"