Add deprecated extension MutableList.remove.

#KT-11648 Fixed

libraries/stdlib/src/kotlin/collections/MutableCollections.kt

@@ -39,6 +39,14 @@ public inline fun <@kotlin.internal.OnlyInputTypes T> MutableCollection<out T>.r
 public inline fun <@kotlin.internal.OnlyInputTypes T> MutableCollection<out T>.retainAll(elements: Collection<T>): Boolean
         = @Suppress("UNCHECKED_CAST") (this as MutableCollection<T>).retainAll(elements)
 
+/**
+ * Removes the element at the specified [index] from this list.
+ * In Kotlin one should use the [MutableList.removeAt] function instead.
+ */
+@Deprecated("Use removeAt(index) instead.", ReplaceWith("removeAt(index)"), level = DeprecationLevel.ERROR)
+@kotlin.internal.InlineOnly
+public inline fun <T> MutableList<T>.remove(index: Int): T = removeAt(index)
+
 /**
  * Adds the specified [element] to this mutable collection.
  */