e1000e: cleanup: remove unreachable statement

Signed-off-by: NBruce Allan <bruce.w.allan@intel.com>
Tested-by: NAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/e1000e/ich8lan.c

@@ -2161,8 +2161,6 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
 		e_dbg("ERROR: No valid NVM bank present\n");
 		return -E1000_ERR_NVM;
 	}
-
-	return 0;
 }
 
 /**