Fixed a bug in awstats.model.conf.erb

Full download statistics list was unavailable because ShowDownloadStats=1 should
have been written ShowDownloadsStats=1 instead.

Signed-off-by: Samuli Seppänen <samuli@openvpn.net>
Removed customized awstats_buildstaticpages.pl

Distributing a customized awstats_buildstaticpages.pl turned out to be
unnecessary on fairly recent distributions.

Signed-off-by: Samuli Seppänen <samuli@openvpn.net>