clang with W=1 reports
drivers/net/wireless/broadcom/brcm80211/brcmsmac/ampdu.c:848:5: error: variable
  'suc_mpdu' set but not used [-Werror,-Wunused-but-set-variable]
        u8 suc_mpdu = 0, tot_mpdu = 0;
           ^
This variable is not used so remove it.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230327151151.1771350-1-trix@redhat.com
        u16 seq, start_seq = 0, bindex, index, mcl;
        u8 mcs = 0;
        bool ba_recd = false, ack_recd = false;
-       u8 suc_mpdu = 0, tot_mpdu = 0;
+       u8 tot_mpdu = 0;
        uint supr_status;
        bool retry = true;
        u16 mimoantsel = 0;
                                ieee80211_tx_status_irqsafe(wlc->pub->ieee_hw,
                                                            p);
                                ack_recd = true;
-                               suc_mpdu++;
                        }
                }
                /* either retransmit or send bar if ack not recd */