SOLR-8146: removing the unused class

solr/core/src/java/org/apache/solr/cloud/rule/Snitch.java

@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.apache.solr.cloud.rule;
-
-import java.util.Set;
-
-import com.google.common.collect.ImmutableSet;
-
-/**
- *
- */
-public abstract class Snitch {
-  static Set<Class> WELL_KNOWN_SNITCHES = ImmutableSet.of(ImplicitSnitch.class);
-
-
-  public abstract void getTags(String solrNode, Set<String> requestedTags, org.apache.solr.common.cloud.rule.SnitchContext ctx);
-
-  public abstract boolean isKnownTag(String tag);
-
-}