Minor, move abstract codegen tests out of 'generated'

Delete unused AbstractBlackBoxCodegenJava8Test

compiler/java8-tests/tests/org/jetbrains/kotlin/codegen/BlackBoxWithJava8CodegenTestGenerated.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.jetbrains.kotlin.codegen.generated;
+package org.jetbrains.kotlin.codegen;
 
 import com.intellij.testFramework.TestDataPath;
 import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;

compiler/java8-tests/tests/org/jetbrains/kotlin/codegen/generated/AbstractBlackBoxCodegenJava8Test.java

@@ -1,23 +0,0 @@
-/*
- * Copyright 2010-2015 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.codegen.generated;
-
-
-public abstract class AbstractBlackBoxCodegenJava8Test extends AbstractBlackBoxCodegenTest {
-
-
-}