i40e: remove I40E_FLAG_NEED_LINK_UPDATE

i40e: remove I40E_FLAG_NEED_LINK_UPDATE

The I40E_FLAG_NEED_LINK_UPDATE was never used. Remove the flag
definitions.

Change-ID: If59d0c6b4af85ca27281f3183c54b055adb439a4
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26785018
(cherry picked from commit 78786d4a59a12e8d9a0b38ad300f7ebe2aeca8a2)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Kyle Fortin <kyle.fortin@oracle.com>