manifest: now that there's only one legacy.py, exclude it
After the last patch, this file is only included because of package_dir in
setup.py (i.e. just once), so we can ignore it with just one clause. But
package_dir starts with "./", so we need to add it to the pattern.
include CHANGELOG
include COPYING
include hgext3rd/topic/README
include MANIFEST.in
include README
include setup.py
recursive-include tests *.py *.sh *.t
include docs/makefile
include docs/*.py
include docs/README
include docs/*.rst
include docs/static/*.svg
include docs/tutorials/*.t
include docs/tutorial/standalone.html
recursive-include docs/figures *.svg *.png
recursive-include docs/tutorial *.css *.js *.md *.py *.rst *.sh *.t
exclude docs/tutorial/.netlify
exclude .gitlab-ci.yml
exclude ./hgext3rd/evolve/legacy.py
exclude .hg-format-source
exclude Makefile
exclude tests/test-drop.t
exclude tests/test-inhibit.t
exclude tests/test-oldconvert.t
prune contrib
prune debian
prune .gitlab
prune hgext3rd/evolve/hack