Revert "LPS-45232 SF"

This reverts commit 0878f8262a0d4c1789d574f428a873b4cf49745d.
Revert "LPS-45232 Default user caching is a crucial optimization in order to skip unnecessary tx boundary setup, we can not remove the cache. Just need to invalidate the cache on update/remove default user."

This reverts commit f24859161d02fe13c977e785a0d375b1349d1fbc.
LPS-45232 Expose method to get entity cache PortalCache
LPS-45232 Bind default user cache life time to entity cache
LPS-45232 Source formatting