[IR] update testdata: IrInstanceInitializerCall

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

@@ -1,14 +1,14 @@
 class Outer {
   constructor() /* primary */ {
     super/*Any*/()
-        /* InstanceInitializerCall */
+    /* <init>() */
 
   }
 
   inner class Inner {
     constructor(x: Int) /* primary */ {
       super/*Any*/()
-            /* InstanceInitializerCall */
+      /* <init>() */
 
     }