Drop handyurl in favour of quickurl

It's why I wrote it in the first place. While it makes sense that I've
tidied up handyurl.el, it's not really that useful to me these days (it's
questionable that quickurl.el is, but it is the better of the two).

Author: davep

.handyurls.el

@@ -1,3 +1,6 @@
 ;; -*- lisp -*-
 
-(("davep" "http://www.davep.org/" "My homepage"))
+(("davep" "http://www.davep.org/" "My homepage")
+ ("fsf"   "http://www.fsf.org/"   "The FSF")
+ ("gnu"   "http://gnu.org/"       "The GNU Project")
+ ("github" "https://github.com/davep" "My GitHub"))