Drop DependencyClassByQualifiedNameResolver and implementation

compiler/frontend/src/org/jetbrains/jet/lang/types/DependencyClassByQualifiedNameResolverDummyImpl.java

@@ -1,33 +0,0 @@
-/*
- * Copyright 2010-2013 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.jet.lang.types;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-import org.jetbrains.jet.lang.resolve.name.FqName;
-import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
-
-public class DependencyClassByQualifiedNameResolverDummyImpl implements DependencyClassByQualifiedNameResolver {
-    @Override
-    public ClassDescriptor resolveClass(@NotNull FqName qualifiedName) {
-        if (qualifiedName.isRoot()) return null;
-        if (KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME.equals(qualifiedName.parent())) {
-            return KotlinBuiltIns.getInstance().getBuiltInClassByName(qualifiedName.shortName());
-        }
-        return null;
-    }
-}