share: remove unexpected heading from "verbose" container in help test
`test-gendoc-*.t` have been failing for me since 91425656e2b1 (share:
add documentation about share-safe mode in `hg help -e share`,
2020-11-27) with this kind of output:
```
--- /usr/local/google/home/martinvonz/hg/tests/test-gendoc-ru.t
+++ /usr/local/google/home/martinvonz/hg/tests/test-gendoc-ru.t.err
@@ -2,3 +2,9 @@
$ $TESTDIR/check-gendoc ru
checking for parse errors
+ gendoc.txt:12818: (SEVERE/4) Unexpected section title.
+
+ Sharing requirements and configs of source repository with shares
+ -----------------------------------------------------------------
+ Exiting due to level-4 (SEVERE) system message.
+ [1]
```
This patch fixes that.
Differential Revision: https://phab.mercurial-scm.org/D9552
#!/usr/bin/env python3
#
# An example hgweb CGI script, edit as necessary
# See also https://mercurial-scm.org/wiki/PublishingRepositories
# Path to repo or hgweb config to serve (see 'hg help hgweb')
config = b"/path/to/repo/or/config"
# Uncomment and adjust if Mercurial is not installed system-wide
# (consult "installed modules" path from 'hg debuginstall'):
# import sys; sys.path.insert(0, "/path/to/python/lib")
# Uncomment to send python tracebacks to the browser if an error occurs:
# import cgitb; cgitb.enable()
from mercurial import demandimport
demandimport.enable()
from mercurial.hgweb import hgweb, wsgicgi
application = hgweb(config)
wsgicgi.launch(application)