Add remove before finally

Author: ldematte

qa/packaging/src/test/java/org/elasticsearch/packaging/test/WindowsServiceTests.java

@@ -212,6 +212,7 @@ public void test33JavaChanged() throws Exception {
             sh.getEnv().remove("ES_JAVA_HOME");
             assertCommand(serviceScript + " start");
             assertStartedAndStop();
+            assertCommand(serviceScript + " remove");
         } finally {
             FileUtils.rm(alternateJdk);
         }