This reverts commit
6aa6f92fda47cc4ee5f599895e8a5a327fb6f9ab.
It caused is_deleted() subroutine to output warnings when dealing with
old, legacy gitweb blobdiff URLs without either 'hb' or 'hpb'
parameters.
This fixes http://bugs.debian.org/469083
Signed-off-by: Jakub Narebski <redacted>
Signed-off-by: Junio C Hamano <redacted>