git,svn - remove duplicate NameVirtualHost *:80

NameVirtualHost *:80 is needed but already included
in /etc/apache2/ports.conf which comes from the
distro package.

also including it here leads to warnings on each Apache
config reload or restart, like:

[warn] NameVirtualHost *:80 has no VirtualHosts

but it's also not like it breaks things

so what do we prefer, a warning that makes it look
like we have a bad config .. vs. expecting it to always
exist from distro .. ?

Change-Id: I12d59eb9daa8e95fc7fdbec7aab9d9b33b5911ae
Merge "git,svn - remove duplicate NameVirtualHost *:80" into production