Revert "passthroughBindingContext integration test, does not work"

This reverts commit 551bb57a1d6df25b52339d89f0b99b17a981c414.
Revert "passthroughBindingContext"

This reverts commit c5781787c876258c06f0ed09a243ab16eaf8ff8d.
bug
unRender (almost works)