Drop unused class from reactor API.

reactor/Core/src/jetbrains/mps/logic/reactor/logical/MultiMetaLogical.java

@@ -1,59 +0,0 @@
-/*
- * Copyright 2014-2019 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 jetbrains.mps.logic.reactor.logical;
-
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * A declaration of a logical variable with index.
- *
- * @param <T> the value type
- *
- * @author Fedor Isakov
- */
-public class MultiMetaLogical<T> extends MetaLogical<T> {
-
-    private int cardinality;
-    private List<MetaLogical<T>> metaLogicals = new ArrayList<MetaLogical<T>>();
-
-    public MultiMetaLogical(String name, Class<T> type, int cardinality) {
-        super(name, type);
-        this.cardinality = cardinality;
-        init();
-    }
-
-    public int cardinality() {
-        return cardinality;
-    }
-
-    public MetaLogical<T> logicalAt(int idx) {
-        return metaLogicals.get(idx);
-    }
-
-    public MetaLogical[] toArray() {
-        MetaLogical[] array = new MetaLogical[cardinality];
-        return metaLogicals.toArray(array);
-    }
-
-    private void init() {
-        for (int i = 0; i < cardinality; i++) {
-            metaLogicals.add(new MetaLogical<T>(name() + "_" + (i + 1), type()));
-        }
-    }
-}