tests/narrow-library.sh

inno: remove cacerts.pem from documentation

The inno distribution no longer includes cacert.pem as of
ca1ad8ef38be22 (April 2015). The docs were never updated.

Differential Revision: https://phab.mercurial-scm.org/D6061

cat >> $HGRCPATH <<EOF
[extensions]
narrow=
[ui]
ssh=python "$RUNTESTDIR/dummyssh"
[experimental]
changegroup3 = True
EOF