remove asComponentTable introspection method Bug: skia:8941 Change-Id: I29d5a786987a517eff7ad50d92286e9a7edf3d2e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/205268 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Reviewed-by: Florin Malita <fmalita@chromium.org>