RDMA/uverbs: Get rid of ucontext->tgid

Nothing uses this now, just delete it.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
3 files changed