Revert "su: Introduce conditional for building"

This reverts commit b775d581baebe6849c21dad2ad5e908cdd2120bd.

The SuperUser feature crashes the phone on initialization. Let's
remove it for now.

Issue: FP2N-278
Change-Id: I5ac5afd90f119cb240982513b59296761cd9e13d
1 file changed