Revert "Optimize mount options for /system /data /cache and fixup OTG line"

This reverts commit 848d198996e157fbd0bff08880abc8ef1dc2037f.
Revert "Add USG OTG, optimize some EGL stuff"

This reverts commit ea385245ed7e2d0f4a3dbd05c0d473d8ad09e4d8.