Remove FrameworksServicesTests_server_accessibility

This test module is not used anywhere.
The exactly same configuration `FrameworksServicesTests_accessibility`
is used from various places.

Bug: None
Test: presubmit
Flag: EXEMPT only changing TEST_MAPPING

Change-Id: I1740c4faa34909b361e221b9e1edf92d656d338f
1 file changed