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

compiler/testData/diagnostics/tests/delegatedProperty/localVariable.kt

@@ -1,5 +1,7 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
 
+import kotlin.reflect.KProperty
+
 class Local {
   fun foo() {
     val a: Int <!LOCAL_VARIABLE_WITH_DELEGATE!>by Delegate()<!>
@@ -7,7 +9,7 @@ class Local {
 }
 
 class Delegate {
-  fun getValue(t: Any?, p: PropertyMetadata): Int {
+  fun getValue(t: Any?, p: KProperty<*>): Int {
     return 1
   }
 }