Reland "[clang] Enable sized deallocation by default in C++14 onwards" (#90373)

Since C++14 has been released for about nine years and most standard
libraries have implemented sized deallocation functions, it's time to
make this feature default again.

This is another try of

The original commit cf5a8b4 was reverted by 2e5035a due to some
failures (see #83774).

Fixes #60061

GitOrigin-RevId: 130e93cc26ca9d3ac50ec5a92e3109577ca2e702
3 files changed