ice: Remove likely for napi_complete_done

Remove the likely before napi_complete_done as this is the unlikely case
when busy-poll is used. Removing this has a positive performance impact
for busy-poll and no negative impact to the regular case.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20220125160446.78976-2-maciej.fijalkowski@intel.com

drivers/net/ethernet/intel/ice/ice_txrx.c

@@ -1513,7 +1513,7 @@ int ice_napi_poll(struct napi_struct *napi, int budget)
 	/* Exit the polling mode, but don't re-enable interrupts if stack might
 	 * poll us due to busy-polling
 	 */
-	if (likely(napi_complete_done(napi, work_done))) {
+	if (napi_complete_done(napi, work_done)) {
 		ice_net_dim(q_vector);
 		ice_enable_interrupt(q_vector);
 	} else {