JS: drop Collections.reverse and java.util.Collections altogether

js/js.libraries/src/core/collections.kt

@@ -61,3 +61,17 @@ public fun <T> MutableList<T>.sortWith(comparator: Comparator<in T>): Unit {
 
 @library("collectionsSort")
 private fun <T> collectionsSort(list: MutableList<T>, comparator: Comparator<in T>): Unit = noImpl
+
+
+/**
+ * Reverses elements in the list in-place.
+ */
+public fun <T> MutableList<T>.reverse(): Unit {
+    val size = this.size
+    for (i in 0..(size / 2) - 1) {
+        val i2 = size - i - 1
+        val tmp = this[i]
+        this[i] = this[i2]
+        this[i2] = tmp
+    }
+}

js/js.libraries/src/core/javautilCollections.kt

@@ -1,14 +0,0 @@
-package java.util
-
-public object Collections {
-    @Deprecated("Use list.reverse() instead.", ReplaceWith("list.reverse()"))
-    public fun <T> reverse(list: MutableList<T>): Unit {
-        val size = list.size
-        for (i in 0..(size / 2) - 1) {
-            val i2 = size - i - 1
-            val tmp = list[i]
-            list[i] = list[i2]
-            list[i2] = tmp
-        }
-    }
-}