Remove collectionsMax once again.

js/js.translator/testData/kotlin_lib.js

@@ -383,22 +383,6 @@ Kotlin.print = function (s) {
     Kotlin.out.print(s);
 };
 
-Kotlin.collectionsMax = function (c, comp) {
-    if (c.isEmpty()) {
-        //TODO: which exception?
-        throw new Error();
-    }
-    var it = c.iterator();
-    var max = it.next();
-    while (it.hasNext()) {
-        var el = it.next();
-        if (comp.compare(max, el) < 0) {
-            max = el;
-        }
-    }
-    return max;
-};
-
 Kotlin.collectionsSort = function (mutableList, comparator) {
     var boundComparator = void 0;
     if (comparator !== void 0) {