Revert "Add welsh translations and small refactor."

This reverts commit a3c9f72e2b4037012a6c1af95f4ac528407cc802.
Revert "Fix indenting in related_links partial."

This reverts commit 239b76cbb577d49ee9b83e98a969f68ab03741f8.
Revert "ArticleDecorator#related_categories now returns differently formatted data."

This reverts commit b8da466599435a23e91cce0677b9d12867f53b49.
Revert "Rework ArticleDecorator#related_categories to go by a new algorithm."

This reverts commit 98b54058acb02d5db8dee52eeb1339c8638f618b.
Revert "Add a custom matcher for setting expectations on decorated objects."

This reverts commit 9596d71775750a4402ab4be74f46a76419491564.
Revert "Modify article viewing feature to not test contents of related content."

This reverts commit 4f5a8e356f6659ed57081ad58665af0e8e7295d3.
Revert "Refactor layout of article page"

This reverts commit eb517071aed4886f062b8bcf5cc248f95b8a8fcc.
Revert "Refactor component"

This reverts commit 08e3435b9cc13c7ac7691feda4fdc97bb8d0667f.
Revert "Update text to More in"

This reverts commit a961985e6e4ea640aa1ae9ae887384247b557462.
Revert "Update style guide to only display 1 related-links"

This reverts commit 75ac107e7434a2115ce8947471074e394cb58e74.
Revert "Add keys to YMl file"

This reverts commit 43c1ac7f4fb792b8837e9bb16e701fc3d62987d6.
Revert "Style the related links component"

This reverts commit d629214e18d149aba7762c127f4bc07c48f45c88.
Revert "Add new HTML to the related links component"

This reverts commit bcf1cd827a90909292f07106447d66d4057393bd.