Revert "[profile] Add a test dependency on cxx-headers"

This reverts commit b539350f7d006b7d6f42c5c4b5715da87a52e5d8.

See: http://lab.llvm.org:8011/builders/sanitizer-windows/builds/52140/steps/annotate/logs/stdio

The cxx-headers target doesn't exist everywhere.

llvm-svn: 373123