Deprecate PropertyMetadata, use KProperty<*> for delegated properties instead

compiler/testData/diagnostics/tests/delegatedProperty/inference/extensionGet.kt

@@ -1,11 +1,13 @@
 package foo
 
+import kotlin.reflect.KProperty
+
 class A1 {
     val a: String by MyProperty1()
 }
 
 class MyProperty1 {}
-operator fun MyProperty1.getValue(thisRef: Any?, desc: PropertyMetadata): String {
+operator fun MyProperty1.getValue(thisRef: Any?, desc: KProperty<*>): String {
     throw Exception("$thisRef $desc")
 }
 
@@ -16,7 +18,7 @@ class A2 {
 }
 
 class MyProperty2<T> {}
-operator fun <T> MyProperty2<T>.getValue(thisRef: Any?, desc: PropertyMetadata): T {
+operator fun <T> MyProperty2<T>.getValue(thisRef: Any?, desc: KProperty<*>): T {
     throw Exception("$thisRef $desc")
 }
 
@@ -27,7 +29,7 @@ class A3 {
 
     class MyProperty3<T> {}
 
-    operator fun <T> MyProperty3<T>.getValue(thisRef: Any?, desc: PropertyMetadata): T {
+    operator fun <T> MyProperty3<T>.getValue(thisRef: Any?, desc: KProperty<*>): T {
         throw Exception("$thisRef $desc")
     }
-}
+}