Remove offensive content from lottie-samples

Change-Id: I8f5b73ee8277b961c3803ca28998ac58ad799d43
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/372456
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Brian Osman <brianosman@google.com>
5 files changed