Merge branch 'tc/bundle-with-tag-remove-workaround'

"git bundle create" with an annotated tag on the positive end of
the revision range had a workaround code for older limitation in
the revision walker, which has become unnecessary.

* tc/bundle-with-tag-remove-workaround:
  bundle: remove unneeded code

diff --cc bundle.c
Simple merge

diff --cc t/t6020-bundle-misc.sh
Simple merge