NFSD: remove redundant assignment operation

Commit 5826e09 ("NFSD: OP_CB_RECALL_ANY should recall both read and
write delegations") added a new assignment statement to add
RCA4_TYPE_MASK_WDATA_DLG to ra_bmval bitmask of OP_CB_RECALL_ANY. So the
old one should be removed.

Signed-off-by: Li Lingfeng <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
Signed-off-by: Chuck Lever <[email protected]>

Author: Li Lingfeng

fs/nfsd/nfs4state.c

@@ -6643,7 +6643,6 @@ deleg_reaper(struct nfsd_net *nn)
 					cl_ra_cblist);
 		list_del_init(&clp->cl_ra_cblist);
 		clp->cl_ra->ra_keep = 0;
-		clp->cl_ra->ra_bmval[0] = BIT(RCA4_TYPE_MASK_RDATA_DLG);
 		clp->cl_ra->ra_bmval[0] = BIT(RCA4_TYPE_MASK_RDATA_DLG) |
 						BIT(RCA4_TYPE_MASK_WDATA_DLG);
 		trace_nfsd_cb_recall_any(clp->cl_ra);