Kapt: Remove the remaining kapt1-related code in Gradle plugin

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/kapt/kaptStubGeneratorUtils.kt

@@ -1,78 +0,0 @@
-/*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.gradle.tasks.kapt
-
-import org.jetbrains.org.objectweb.asm.ClassWriter
-import org.jetbrains.org.objectweb.asm.Opcodes.*
-import java.io.File
-
-internal fun generateKotlinAptAnnotation(outputDirectory: File): File {
-    val packageName = "__gen"
-    val className = "KotlinAptAnnotation"
-    val classFqName = "$packageName/$className"
-
-    val bytes = with (ClassWriter(0)) {
-        visit(49, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE + ACC_ANNOTATION, classFqName,
-                null, null, arrayOf("java/lang/annotation/Annotation"))
-        visitSource(null, null)
-        visitEnd()
-        toByteArray()
-    }
-
-    val injectPackage = File(outputDirectory, packageName)
-    injectPackage.mkdirs()
-    val outputFile = File(injectPackage, "$className.class")
-    outputFile.writeBytes(bytes)
-
-    return outputFile
-}
-
-internal fun generateAnnotationProcessorWrapper(
-        processorFqName: String,
-        packageName: String,
-        outputDirectory: File,
-        className: String,
-        taskQualifier: String
-): File {
-    val classFqName = "$packageName/$className"
-
-    val bytes = with (ClassWriter(0)) {
-        val superClass = "org/jetbrains/kotlin/annotation/AnnotationProcessorWrapper"
-
-        visit(49, ACC_PUBLIC + ACC_SUPER, classFqName, null,
-                superClass, null)
-
-        visitSource(null, null)
-
-        with (visitMethod(ACC_PUBLIC, "<init>", "()V", null, null)) {
-            visitVarInsn(ALOAD, 0)
-            visitLdcInsn(processorFqName)
-            visitLdcInsn(taskQualifier)
-            visitMethodInsn(INVOKESPECIAL, superClass, "<init>", "(Ljava/lang/String;Ljava/lang/String;)V", false)
-            visitInsn(RETURN)
-            visitMaxs(3 /*max stack*/, 1 /*max locals*/)
-            visitEnd()
-        }
-
-        visitEnd()
-        toByteArray()
-    }
-    val outputFile = File(outputDirectory, "$className.class")
-    outputFile.writeBytes(bytes)
-
-    return outputFile
-}