Remove imaginary brands
 Icons to remove from the set (and save some room for more useful ones):

 - [x] https://forkawesome.github.io/Fork-Awesome/icon/pied-piper/
 - [x] https://forkawesome.github.io/Fork-Awesome/icon/pied-piper-alt/
 - [x] https://forkawesome.github.io/Fork-Awesome/icon/pied-piper-pp/

