Minor. Drop unused class

compiler/frontend/src/org/jetbrains/kotlin/resolve/ChainedTemporaryBindingTrace.java

@@ -1,36 +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.resolve;
-
-import org.jetbrains.annotations.Nullable;
-
-public class ChainedTemporaryBindingTrace extends TemporaryBindingTrace {
-
-    public static ChainedTemporaryBindingTrace create(TemporaryBindingTrace trace, String debugName, @Nullable Object resolutionSubjectForMessage) {
-        return new ChainedTemporaryBindingTrace(trace, AnalyzingUtils.formDebugNameForBindingTrace(debugName, resolutionSubjectForMessage));
-    }
-
-    private ChainedTemporaryBindingTrace(TemporaryBindingTrace trace, String debugName) {
-        super(trace, debugName);
-    }
-
-    @Override
-    public void commit() {
-        super.commit();
-        ((TemporaryBindingTrace)  trace).commit();
-    }
-}