remove unused function.

clj/clarity/cljs/clarity.cljs

@@ -14,13 +14,6 @@
;  does change the data, if it doesn't signal the
;  error and don't change the data
(defn change-data
  ([ev d]
   (om/update! d assoc :data (.. ev -target -value)))
  ([ev d pred parse]
   (when (pred (.-target ev))
     (om/update! d assoc :data (parse (.. ev -target -value))))))
(defn valid? [el]
  (.. el -validity -valid))