Revert "[Sanitizers][Test] XFAIL suppressions/fread_fwrite (#154189)" (#165751)

The macOS platform where test failures occured was updated to a newer
version - these tests now pass, so undoing XFAIL

rdar://163149340

This reverts commit 4dc32df3ca0a937ffb6052a40170fcc318330fd9.

Co-authored-by: Mariusz Borsa <m_borsa@apple.com>
GitOrigin-RevId: a4135ae549bbc42a89cd02746e95cb9c8ebe5ff6
2 files changed