Revert "Also delete the page information cache when invalidating cache of a non-existing page"

Breaks LiquidThreads per bug 43693 and worsens bug 37209.

This reverts commit b3ff701cba6578ff0994ef3b42efcb1ba4eac9cd
Merge "Revert "Also delete the page information cache when invalidating cache of a non-existing page""