Try removing unused call to sampleGitRepo.init and see if CI build passes

Author: dwnusbaum

src/test/java/org/jenkinsci/plugins/workflow/steps/scm/SCMStepTest.java

@@ -180,9 +180,6 @@ public void scmVars() throws Exception {
 
     @Test public void scmParsesChangelogFileFromFakeChangeLogSCM() {
         rr.then(r -> {
-            // sampleGitRepo is not actually used in this test, but for reasons unclear to me, if you remove the call to
-            // init, checkoutsRestored and gitChangelogSmokes fail when you run the entire test suite.
-            sampleGitRepo.init();
             WorkflowJob p = r.jenkins.createProject(WorkflowJob.class, "p");
             p.setDefinition(new CpsFlowDefinition(
                     "import org.jvnet.hudson.test.FakeChangeLogSCM\n" +