Remove outdated contentful split tests and mock data
Remove outdated contentful split tests and mock data

pascalchevrel/bedrock,pascalchevrel/bedrock,alexgibson/bedrock,craigcook/bedrock,alexgibson/bedrock,alexgibson/bedrock,craigcook/bedrock,pascalchevrel/bedrock,craigcook/bedrock,alexgibson/bedrock,mozilla/bedrock,pascalchevrel/bedrock,craigcook/bedrock,mozilla/bedrock,mozilla/bedrock,mozilla/bedrock