Removed Tx hang detection mechanism from igbvf.
This mechanism has no affect and can cause false alarm message in some cases.
Signed-off-by: NLior Levy <lior.levy@intel.com>
Tested-by: NJeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>