1) Merge ext.relatedArticles.readMore and ext.relatedArticles.cards modules
These are always loaded together. No need to have them in separate modules.
In process switch to packagefiles
2) Merge ext.relatedArticles.readMore.bootstrap and ext.relatedArticles.readMore.gateway
Always loaded together.
Bug: T306228
Change-Id: I9442b0336e22ca795cc06f76068215266fe81271