Update Job.java

When I call the function of build to build a job and it will be built twice. There are two post requests in the function of build.

Author: ladventure

jenkins-client/src/main/java/com/offbytwo/jenkins/model/Job.java

@@ -97,7 +97,6 @@ public QueueReference build(boolean crumbFlag) throws IOException {
      */
     public QueueReference build(Map<String, String> params) throws IOException {
         String qs = join(Collections2.transform(params.entrySet(), new MapEntryToQueryStringPair()), "&");
-        client.post(url + "buildWithParameters?" + qs);
         ExtractHeader location = client.post(url + "buildWithParameters?" + qs, null, ExtractHeader.class, false);
         return new QueueReference(location.getLocation());
     }