~/.aliases: Remove some outdated aliases

I used those back in uni, 5 years ago and more.

.aliases

@@ -14,7 +14,3 @@ alias docker-ip="docker inspect --format '{{ .NetworkSettings.IPAddress }}'"
# projects
alias clarity="cd ~/k/lp/clj/clarity"
alias pixl="cd ~/k/lp/js/pixl"
alias uni="cd ~/d/uni/s2014"
alias nkl="cd ~/d/uni/s2014/nkl"
alias semweb="cd ~/d/uni/s2014/semweb"