cheets_GTS: remove GtsAppTestCases from notest.

BUG=None.
TEST=Examine https://stainless.corp.google.com/browse/chromeos-autotest-results/264241405-kvaishali/

Change-Id: Ibea36ccf40a4bbf34ae3ba54ad450d31658ecaeb
Reviewed-on: https://chromium-review.googlesource.com/c/1366338
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
diff --git a/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml b/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml
index 513d25f..c66272d 100644
--- a/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml
+++ b/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml
@@ -1,5 +1,4 @@
 GtsAccountsHostTestCases: [all]
-GtsAppTestCases: [all]
 GtsDexModuleRegistrationTestCases: [all]
 GtsSampleDeviceTestCases: [all]
 GtsSampleDynamicConfigTestCases: [all]