Revert "[cts] tests for settings readable fields"

Revert submission 13355582-settings_readable

Reason for revert: b/178340718
Reverted Changes:
Id1f133d52:[cts] tests for settings readable fields
I8a2733580:[SettingsProvider] @Readable annotation to restric...

Change-Id: I9770bab89d39c52424fb5ad8f99524a27de13e8f
(cherry picked from commit 1ca518c1ec75b8307126991ae2d253911b2be10c)
5 files changed