refactor: remove unused JMeterSpec.groovy

src/components/src/testFixtures/groovy/org/apache/jmeter/junit/spock/JMeterSpec.groovy

@@ -1,55 +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.jmeter.junit.spock
-
-import org.apache.jmeter.junit.JMeterTestCaseJUnit
-import org.apache.jmeter.junit.JMeterTestUtils
-
-import spock.lang.Specification
-
-/**
- * Common setup for Spock test cases.
- * <p>
- * Please only use this class if you <em>need</em> the things set up here.
- * <p>
- * Otherwise, extend {@link Specification}
- */
-abstract class JMeterSpec extends Specification {
-
-    /*
-    * If not running under AllTests.java, make sure that the properties (and
-    * log file) are set up correctly.
-    *
-    * N.B. This assumes the JUnit test are executed in the
-    * project root, bin directory or one level down, and all the JMeter jars
-    * (plus any others needed at run-time) need to be on the classpath.
-    */
-    static {
-        // Initialize JMeterTestCaseJUnit which will setup JMeter properties, home, etc
-        JMeterTestCaseJUnit.class.getSuperclass();
-    }
-
-    protected String getResourceFilePath(String resource) {
-        return JMeterTestUtils.getResourceFilePath(getClass(), resource);
-    }
-
-    protected static boolean isHeadless() {
-        System.properties['java.awt.headless'] == 'true'
-    }
-
-}