Define a limited set of filters for SingleLinePipeline
Removes the following filters from its parent GfmPipeline:
- SyntaxHighlightFilter
- UploadLinkFilter
- TableOfContentsFilter
- LabelReferenceFilter
- TaskListFilter
Closes #1697 (closed)
Removes the following filters from its parent GfmPipeline:
Closes #1697 (closed)