qed: Remove set but not used variable 'p_link'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/qlogic/qed/qed_cxt.c: In function 'qed_qm_init_pf':
drivers/net/ethernet/qlogic/qed/qed_cxt.c:1401:29: warning:
 variable 'p_link' set but not used [-Wunused-but-set-variable]

commit 92fae6fb ("qed: FW 8.42.2.0 Queue Manager changes")
leave behind this unused variable.
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_cxt.c

@@ -1398,14 +1398,11 @@ void qed_qm_init_pf(struct qed_hwfn *p_hwfn,
 {
 	struct qed_qm_info *qm_info = &p_hwfn->qm_info;
 	struct qed_qm_pf_rt_init_params params;
-	struct qed_mcp_link_state *p_link;
 	struct qed_qm_iids iids;
 
 	memset(&iids, 0, sizeof(iids));
 	qed_cxt_qm_iids(p_hwfn, &iids);
 
-	p_link = &QED_LEADING_HWFN(p_hwfn->cdev)->mcp_info->link_output;
-
 	memset(&params, 0, sizeof(params));
 	params.port_id = p_hwfn->port_id;
 	params.pf_id = p_hwfn->rel_pf_id;