Remove FL6 tests from CTS release.

These tests should not be included in CTS release because the feature is not in
sc-release.

Bug: 214882702
Test: CtsNNAPITestCases passed on redfin with build SP1A.210812.015
Change-Id: If876ccc617c150b7eaa5f69949717bc07597ce75
(cherry picked from commit a0734af6d8330003141026ab91ea01c7675fdf9c)
Merged-In:If876ccc617c150b7eaa5f69949717bc07597ce75
2 files changed