IB/rdmavt: Remove unused variable from Queue Pair

s_sde should be in the low level driver QP private data.

Remove the definition from rvt_qp.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

include/rdma/rdmavt_qp.h

@@ -304,7 +304,6 @@ struct rvt_qp {
 	struct rvt_swqe *s_wqe;
 	struct rvt_sge_state s_sge;     /* current send request data */
 	struct rvt_mregion *s_rdma_mr;
-	struct sdma_engine *s_sde; /* current sde */
 	u32 s_cur_size;         /* size of send packet in bytes */
 	u32 s_len;              /* total length of s_sge */
 	u32 s_rdma_read_len;    /* total length of s_rdma_read_sge */