Don't render contents of enum entry classes in .txt tests, regenerate tests

They are irrelevant because cannot be accessed from the outside anyway

compiler/testData/renderer/Enum.kt

@@ -8,5 +8,5 @@ private enum class TheEnum(val rgb: Int) {
 //private final enum class TheEnum : kotlin.Enum<rendererTest.TheEnum> defined in rendererTest
 //private constructor TheEnum(rgb: kotlin.Int) defined in rendererTest.TheEnum
 //value-parameter val rgb: kotlin.Int defined in rendererTest.TheEnum.<init>
-//public enum entry VAL1 : rendererTest.TheEnum defined in rendererTest.TheEnum
+//enum entry VAL1 defined in rendererTest.TheEnum
 //private constructor VAL1() defined in rendererTest.TheEnum.VAL1