Revert "[Catalyst] Add restriction to Roaming preference"

This reverts commit ec306cc2b1a9fc0f55dd71aba2a854762c1976d8.

Reason for revert: Device policy can not work, may take long time to
resolve.

NO_IFTTT= revert related CL for CL on the top.
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:8b5846134a4dc45dc622d294a36fde10ff2309e7
Merged-In: I65df88ceae944a7bc555b1cdacc13fda7b1c166f
Change-Id: I65df88ceae944a7bc555b1cdacc13fda7b1c166f
1 file changed