Shaving a few kilobytes in juce_PixelFormats.h

Funnily enough, specifying noexcept explicitly, adding final, and removing the destructors in juce_PixelFormats.h shaves a handful of bytes off the release builds in VS2017 and VS2019.

juce_PixelFormats.h (25.4 KB)

It’s a little disappointing that the compiler can’t do that for us, given how simple the classes are.

Thanks for the suggestion, we’ll add those changes.