feature/lookup: remove devdocs support (for now)

devdocs-lookup is broken at the moment. devdocs search is still
available through +lookup/online as a provider however. This may be
reversed later, when (and if) we find a better devdocs backend.

modules/config/default/+evil-commands.el

@@ -59,7 +59,6 @@ command from the current directory instead of the project root."
 ;; TODO (ex! "go[ogle]"    #'doom:google-search)
 (ex! "lo[okup]"    #'+lookup:online)
 (ex! "dash"        #'+lookup:dash)
-(ex! "dd"          #'+lookup:devdocs)
 (ex! "http"        #'httpd-start)            ; start http server
 (ex! "repl"        #'+eval:repl)             ; invoke or send to repl
 ;; TODO (ex! "rx"          'doom:regex)             ; open re-builder