fiddle: remove cmakebuild demo app, as fiddle_run, fiddle_build, and fiddle_run_all are better examples.
fiddle: remove cmakebuild demo app, as fiddle_run, fiddle_build, and fiddle_run_all are better examples.

BUG=skia:
R=rmistry

Review URL: https://codereview.chromium.org/1895433002

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot