remove: print message for each file in verbose mode only while using `-A` (BC)
hg rm -A option prints the message of every file in the repo. This is not very
user friendly for a big repository with thousands of files. So enabling this
feature only when run in --verbose mode (hg rm -Av)
Differential Revision: https://phab.mercurial-scm.org/D1336
#
# Avoid interference from actual test env:
unset HGTEST_JOBS
unset HGTEST_TIMEOUT
unset HGTEST_PORT
unset HGTEST_SHELL