* Remove approvals fixtures
* Remove approvals initializer
* Remove approvals gem
* Remove approvals step from travis.yml
* Remove approvals from dockerignore and gitignore
* Remove references to approvals gem in docs
* Un-approvals spec/liquid_tags/codepen_tag_spec.rb
* Un-approvals spec/liquid_tags/dotnet_fiddle_tag_spec.rb
* Temporarily skip other approvals tests
We will still need to delete files in /spec/fixtures/approvals after this.
* Revert changes to dotnet_fiddle_tag_spec and codepen_tag_spec, skip those tests instead
* Temporarily skip more approvals based tests
* Attempt at moving html doc inline
* Comment out one more approvals spec
* Update dotnet fiddle and codepen liquid tag specs to not use Approvals
* Update liquid tag specs + system specs to not use Approvals
* Un-approval feed import, github issue, and tweet tag specs
* Re-add .approvals to gitignore and dockerignore
* Use Rspec compound expectations
