Move DummyDelegate to :compiler:util

Deleted DummyDelegate from a pair of usages across the project, and
moved it to :compiler:util module to avoid further duplicates

compiler/util/src/org/jetbrains/kotlin/utils/DummyDelegate.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.utils
+
+import kotlin.properties.ReadOnlyProperty
+import kotlin.reflect.KProperty
+
+class DummyDelegate<T>(val value: T) : ReadOnlyProperty<Any?, T> {
+    override fun getValue(thisRef: Any?, property: KProperty<*>): T = value
+}