Prune class2greylisttest out of general-tests.

These tests define test_suite as 'general-tests' only but not used in
Test Mapping Suite. Hence, we plan to prune them to reduce size/build
time of general-tests.zip. They are listed as below:
 - class2greylisttest

Bug: 139893779

Test: m general-tests
Change-Id: I1755c5201d944debb45eb02beb921ab5bdcc02ea
1 file changed