8181321 Remove the stale patch file

Authored and Committed by Numan Siddique 4 years ago
    Remove the stale patch file
    
    0001-downstream-only-Change-the-version-from-2.11.90-to-2.patch is not
    required.
    
    Signed-off-by: Numan Siddique <nusiddiq@redhat.com>