Kapt: remove old JVM backend test data (1/2)

In this commit, .txt expectation test data files for the old JVM backend
are deleted.

 #KT-64680

plugins/kapt3/kapt3-compiler/testData/converter/anonymousObjectInEnumSuperConstructor.txt

@@ -1,51 +0,0 @@
-/**
- * public abstract interface Callback : kotlin/Any {
- *
- *   // signature: invoke()Ljava/lang/String;
- *   public abstract fun invoke(): kotlin/String
- *
- *   // module name: main
- * }
- */
-@kotlin.Metadata()
-public abstract interface Callback {
-
-    @org.jetbrains.annotations.NotNull()
-    public abstract java.lang.String invoke();
-}
-
-////////////////////
-
-
-/**
- * public final enum class Foo : kotlin/Enum<Foo> {
- *
- *   // signature: <init>(Ljava/lang/String;ILCallback;)V
- *   private constructor(callback: Callback)
- *
- *   // field: callback:LCallback;
- *   // getter: getCallback()LCallback;
- *   public final val callback: Callback
- *     public final get
- *
- *   FOO,
- *
- *   // module name: main
- *
- *   // has Enum.entries
- * }
- */
-@kotlin.Metadata()
-public enum Foo {
-    /*public static final*/ FOO /* = new Foo() */;
-    @org.jetbrains.annotations.NotNull()
-    private final Callback callback = null;
-
-    Foo(Callback callback) {
-    }
-
-    @org.jetbrains.annotations.NotNull()
-    public final Callback getCallback() {
-        return null;
-    }
-}