Revert "[K2/N] KT-56190 Serialize simple const property initializers"

This reverts commit 2ace8ba9bd.

native/native.tests/testData/klibContents/builtinsSerializer/compileTimeConstants.kt

@@ -1,7 +1,5 @@
-// KT-56190: the following properties miss their initializers: arrayConst, b, enumConst
+// KT-56190 K2 does not emit const initializers
 // MUTED_WHEN: K2
-// IGNORE_BACKEND_K2
-
 package test
 
 enum class Weapon {

native/native.tests/testData/klibContents/builtinsSerializer/nestedClassesAndObjects.kt

@@ -1,3 +1,5 @@
+// KT-56190 K2 does not emit const initializers
+// MUTED_WHEN: K2
 package test
 
 class ClassA {
@@ -16,9 +18,7 @@ class ClassA {
     inner class classC {
         val memberFromC: Int = 200
     }
-}
 
-class E {
     companion object {
         val stat: Int = 250
 
@@ -26,9 +26,7 @@ class E {
             val memberFromD: Int = 275
         }
     }
-}
 
-class F {
     object ObjA {
         val memberFromObjA: Int = 300
     }

native/native.tests/testData/klibContents/builtinsSerializer/nestedClassesAndObjects.txt

@@ -1,4 +1,13 @@
     class ClassA constructor() {
+        companion object {
+            val stat: Int = 250
+            class D constructor() {
+                val memberFromD: Int = 275
+            }
+        }
+        object ObjA {
+            val memberFromObjA: Int = 300
+        }
         class classB constructor() {
             fun memberFromB(): Int
             class BC constructor() {
@@ -11,17 +20,4 @@
         inner class classC constructor() {
             val memberFromC: Int = 200
         }
-    }
-    class E constructor() {
-        companion object {
-            val stat: Int = 250
-            class D constructor() {
-                val memberFromD: Int = 275
-            }
-        }
-    }
-    class F constructor() {
-        object ObjA {
-            val memberFromObjA: Int = 300
-        }
     }

native/native.tests/testData/klibContents/builtinsSerializer/propertyAccessorAnnotations.kt

@@ -1,3 +1,5 @@
+// KT-56190 K2 does not emit const initializers
+// MUTED_WHEN: K2
 package test
 
 annotation class Anno(val value: String)