Define a limited set of filters for SingleLinePipeline

Removes the following filters from its parent GfmPipeline:

• SyntaxHighlightFilter
• UploadLinkFilter
• TableOfContentsFilter
• LabelReferenceFilter
• TaskListFilter

Closes #1697 (closed)

Before:

After:

Reassigned to @DouweM

Reassigned to @rspeicher

Added 1 commit:

• 1e6fc0c6 - Define a limited set of filters for SingleLinePipeline

Reassigned to @DouweM

Only removed Label references for now, but I wouldn't be opposed to removing all of them. We'll see.

Title changed from Remove LabelReferenceFilter from SingleLinePipeline to Define a limited set of filters for SingleLinePipeline

Enabled an automatic merge when the build for 1e6fc0c6 succeeds

@rspeicher I would be opposed to that (I like my user and issue refs in titles), but let's hold off on that for later discussion :)

Canceled the automatic merge

mentioned in commit 6865d3e5

Status changed to merged