Disable minimizing in Trie class

We can re-enable it once the upstream bugs are fixed:
devongovett#31

Author: mathiasbynens

src/trie.js

@@ -42,7 +42,9 @@ class Trie {
    * @return {State} - the starting state of the minimal DFA
    */
   minimize() {
-    return minimize(this.root);
+    // TODO: Re-enable minimizing once the upstream bugs are fixed:
+    // https://github.com/devongovett/regexgen/issues/31
+    return this.root;
   }
 
   /**