[IR] update testdata: better support for IrCall

compiler/testData/ir/irText/declarations/classLevelProperties.kt.txt

@@ -41,16 +41,16 @@ class C {
     }
 )
     get(): Int {
-      return getValue<Int>($receiver = #test7$delegate, thisRef = <this>, property = ::test7)
+      return #test7$delegate.getValue<Int>(thisRef = <this>, property = ::test7)
     }
 
   var test8: Int /* by */ 
     field = hashMapOf<String, Int>()
     get(): Int {
-      return getValue<Int, Int>($receiver = #test8$delegate, thisRef = <this>, property = ::test8)
+      return #test8$delegate.getValue<Int, Int>(thisRef = <this>, property = ::test8)
     }
     set(<set-?>: Int) {
-      return setValue<Int>($receiver = #test8$delegate, thisRef = <this>, property = ::test8, value = <set-?>)
+      return #test8$delegate.setValue<Int>(thisRef = <this>, property = ::test8, value = <set-?>)
     }