Remove PsiClassFinder

Inline the implementation into JavaClassFinderImpl

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/PsiClassFinder.java

@@ -1,31 +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.resolve.java;
-
-import com.intellij.psi.PsiClass;
-import com.intellij.psi.PsiPackage;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.lang.resolve.name.FqName;
-
-public interface PsiClassFinder {
-    @Nullable
-    PsiClass findPsiClass(@NotNull FqName fqName);
-
-    @Nullable
-    PsiPackage findPsiPackage(@NotNull FqName fqName);
-}