Delete kotlin.jvm.internal.KObject

It was supposed to be used in reflection but the benefits do not outweigh the
cost of KT-6951

 #KT-3223 Fixed
 #KT-6951 Fixed

compiler/testData/asJava/lightClasses/nullabilityAnnotations/Class.java

@@ -1,4 +1,4 @@
-public final class Class implements kotlin.jvm.internal.KObject {
+public final class Class {
     @org.jetbrains.annotations.Nullable
     private final java.lang.String nullableVal = "";
     @org.jetbrains.annotations.Nullable

compiler/testData/asJava/lightClasses/nullabilityAnnotations/ClassObjectField.java

@@ -1,4 +1,4 @@
-public final class ClassObjectField implements kotlin.jvm.internal.KObject {
+public final class ClassObjectField {
     @org.jetbrains.annotations.Nullable
     public static final java.lang.String x = "";
     private static final java.lang.String y = "";
@@ -11,7 +11,7 @@ public final class ClassObjectField implements kotlin.jvm.internal.KObject {
 
     public ClassObjectField() { /* compiled code */ }
 
-    public static final class Default implements kotlin.jvm.internal.KObject {
+    public static final class Default {
         @org.jetbrains.annotations.Nullable
         public final java.lang.String getX() { /* compiled code */ }
 

compiler/testData/asJava/lightClasses/nullabilityAnnotations/ClassWithConstructor.java

@@ -1,3 +1,3 @@
-public final class ClassWithConstructor implements kotlin.jvm.internal.KObject {
+public final class ClassWithConstructor {
     public ClassWithConstructor(@org.jetbrains.annotations.Nullable java.lang.String nullable, @org.jetbrains.annotations.NotNull java.lang.String notNull) { /* compiled code */ }
 }

compiler/testData/asJava/lightClasses/nullabilityAnnotations/ClassWithConstructorAndProperties.java

@@ -1,4 +1,4 @@
-public final class ClassWithConstructorAndProperties implements kotlin.jvm.internal.KObject {
+public final class ClassWithConstructorAndProperties {
     @org.jetbrains.annotations.Nullable
     private final java.lang.String nullable;
     @org.jetbrains.annotations.NotNull

compiler/testData/asJava/lightClasses/nullabilityAnnotations/IntOverridesAny.java

@@ -1,4 +1,4 @@
-public final class C implements kotlin.jvm.internal.KObject, Tr {
+public final class C implements Tr {
     private final int v = 1;
 
     @org.jetbrains.annotations.NotNull

compiler/testData/asJava/lightClasses/nullabilityAnnotations/OverrideAnyWithUnit.java

@@ -1,4 +1,4 @@
-public final class C implements kotlin.jvm.internal.KObject, Base {
+public final class C implements Base {
     public void foo() { /* compiled code */ }
 
     public C() { /* compiled code */ }

compiler/testData/asJava/lightClasses/nullabilityAnnotations/PlatformTypes.java

@@ -1,4 +1,4 @@
-public final class PlatformTypes implements kotlin.jvm.internal.KObject {
+public final class PlatformTypes {
     public final java.lang.String simplyPlatform() { /* compiled code */ }
 
     @org.jetbrains.annotations.Nullable

compiler/testData/asJava/lightClasses/nullabilityAnnotations/PrivateInClass.java

@@ -1,4 +1,4 @@
-public final class PrivateInClass implements kotlin.jvm.internal.KObject {
+public final class PrivateInClass {
     private final java.lang.String getNn() { /* compiled code */ }
 
     private final void setNn(java.lang.String value) { /* compiled code */ }

compiler/testData/asJava/lightClasses/nullabilityAnnotations/Synthetic.java

@@ -1,9 +1,9 @@
-public final class Synthetic implements kotlin.jvm.internal.KObject {
+public final class Synthetic {
     private final void foo() { /* compiled code */ }
 
     public Synthetic() { /* compiled code */ }
 
-    public final class Inner implements kotlin.jvm.internal.KObject {
+    public final class Inner {
         public final void test() { /* compiled code */ }
 
         public Inner() { /* compiled code */ }

compiler/testData/asJava/lightClasses/nullabilityAnnotations/TraitClassObjectField.java

@@ -8,7 +8,7 @@ public interface TraitClassObjectField {
     @org.jetbrains.annotations.Nullable
     java.lang.String x = "";
 
-    static final class Default implements kotlin.jvm.internal.KObject {
+    static final class Default {
         @org.jetbrains.annotations.Nullable
         private final java.lang.String x = "";
         private final java.lang.String y = "";

compiler/testData/asJava/lightClasses/nullabilityAnnotations/UnitAsGenericArgument.java

@@ -1,4 +1,4 @@
-public final class C implements kotlin.jvm.internal.KObject, Base<kotlin.Unit> {
+public final class C implements Base<kotlin.Unit> {
     public void foo(@org.jetbrains.annotations.NotNull kotlin.Unit t) { /* compiled code */ }
 
     public C() { /* compiled code */ }