Revert "Zygote: Restrict slave mountspace so Dalvik apps can mount system-wide volumes"

should fix our uninstall app reboot problem which randomly appears. We do not use this commit at all....so let us revert it

This reverts commit cb04b13e658071006b38d54cd1fc8a1c95ebbd49

Change-Id: I6629cdfe72e3be2a1046ddee572fe76ed9a55bf1