/kbin RTR#10 Remove unused code, revert user mode, comments score, some fixes en (kbin.social)

Today I got rid of a lot of dead code, Szymon upgraded doctrine/annotations, which will be a prelude to a larger refactor soon. Additionally, I restored the experimental platform navigation mode. Threads, posts, and comments will have improved score counting, which will be useful not only in spam protection but also improve...