Revert "Launch admin policies settings screen if not possible to launch help page"

This reverts commit 75077a17.

Reason for revert: DroidMonitor-triggered revert due to breakage https://android-build.googleplex.com/builds/quarterdeck?branch=git_sc-dev&target=errorprone&lkgb=7566424&lkbb=7566443&fkbb=7566443, bug b/194207719

Change-Id: I40603378f3e6f125639169176e21680980e2a93e