e1000e: remove unnecessary snippet missed in prior check_options update

The removal of this bit of code was missed in an earlier patch submittal.
Signed-off-by: NBruce Allan <bruce.w.allan@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/e1000e/param.c

@@ -324,8 +324,6 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
 				adapter->itr = 20000;
 				break;
 			default:
-				e1000_validate_option(&adapter->itr, &opt,
-					adapter);
 				/*
 				 * Save the setting, because the dynamic bits
 				 * change itr.