Remove experimental flags from Win8x86, Win8x64 and Svr2012x64 templates
Remove experimental flags from Win8x86, Win8x64 and Svr2012x64 templates

Import: trunk/guest-templates.hg ad122caa09a2
Imported-by: malcolmc
Merge-ticket: CP-4661

xenserver/guest-templates,xenserver/guest-templates