[IR] update testdata: IrInstanceInitializerCall

compiler/testData/ir/irText/classes/objectWithInitializers.kt.txt

@@ -1,7 +1,7 @@
 abstract class Base {
   constructor() /* primary */ {
     super/*Any*/()
-        /* InstanceInitializerCall */
+    /* <init>() */
 
   }
 
@@ -10,7 +10,7 @@ abstract class Base {
 object Test : Base {
   private constructor() /* primary */ {
     super/*Base*/()
-        /* InstanceInitializerCall */
+    /* <init>() */
 
   }