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

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassDelegatedProperties.kt

@@ -1,5 +1,7 @@
+import kotlin.reflect.KProperty
+
 class Del {
-  operator fun getValue(_this: Any?, p: PropertyMetadata): Int = 0
+  operator fun getValue(_this: Any?, p: KProperty<*>): Int = 0
 }
 
 fun df(del: Del): Del = del
@@ -13,4 +15,3 @@ fun test(del: Any?) {
     val delegatedVal1: Int by df(<!DEBUG_INFO_SMARTCAST!>del<!>)
   }
 }
-