changes the 'You are not sharing with...' button to static text instead of inserting the persons name

This reverts commit ab997e2d.

Bug Fix for #913 with Rspec and Cucumber test cases, for a scenario, where a user is mentioned on a post and when that user closes his account, then his contacts cannot see their homepages due to this post

some reformatting/refactor of en.yml. This might break some translations but I think I've catched the most ones, at least the most important ones