Revert "UBSan blacklist workaround for bot timeouts"

This reverts commit r335525. This workaround is no longer necessary
because PR37929 has been fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345397 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed