[JS IR BE] Support calls, property accesses and most of operators on expressions with dynamic type

libraries/stdlib/js/irRuntime/annotations.kt

@@ -1,8 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin
-
-interface Annotation

libraries/stdlib/js/irRuntime/internalAnnotations.kt

@@ -1,10 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin.internal
-
-@Target(AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY)
-@Retention(AnnotationRetention.BINARY)
-internal annotation class DynamicExtension

libraries/stdlib/js/irRuntime/typeCheckUtils.kt

@@ -5,9 +5,6 @@
 
 package kotlin.js
 
-@kotlin.internal.DynamicExtension
-public inline fun <T> dynamic.unsafeCast(): T = this
-
 private fun isInterfaceImpl(ctor: dynamic, iface: dynamic): Boolean {
     if (ctor === iface) return true;