net/rocker: Remove unreachable return instruction

The "return 0" instruction follows other return instruction
and it makes it impossible to execute, hence remove it.

Fixes: 00fc0c51e35b ("rocker: Change world_ops API and implementation to be switchdev independant")
Signed-off-by: Leon Romanovsky <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/rocker/rocker_ofdpa.c

···
 			       ofdpa_flags_nowait(flags),
 			       ofdpa_cmd_flow_tbl_add,
 			       found, NULL, NULL);
-	return 0;
 }
 
 static int ofdpa_flow_tbl_del(struct ofdpa_port *ofdpa_port,