freetype 2.5.0.1
ruby-build 20130901

Closes #22246.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Remove HOMEBREW_CC warning from ENV.compiler

ENV.compiler is called outside setting up the build environment, where
values unsupported for user input might have been specified - for
example, GNU GCC executables.
Remove llvm-gcc