Removed caching of page templates

Since we cannot cache page templates per page, this does not make sense
any longer. Caching templates per page is superfluous because a page
normally is created once and so there is no need to cache this because it
just bloats up the cache

Removed wfDebugLog statement

Change-Id: Ie4d0377f7e834639035a3d92312d365cb5d34f29
Merge "Removed caching of page templates"