Moved job metadata attribute to global bree config

no issue

- Because every job is getting this attribute anyways there's no need to keep it nested on per-job bases

ghost/job-manager/lib/assemble-bree-job.js

@@ -4,8 +4,7 @@ const assemble = (when, job, data, name) => {
     const breeJob = {
         name: name,
         // NOTE: both function and path syntaxes work with 'path' parameter
-        path: job,
-        outputWorkerMetadata: true
+        path: job
     };
 
     if (data) {

ghost/job-manager/lib/job-manager.js

@@ -32,6 +32,7 @@ class JobManager {
         this.bree = new Bree({
             root: false, // set this to `false` to prevent requiring a root directory of jobs
             hasSeconds: true, // precission is needed to avoid task ovelaps after immidiate execution
+            outputWorkerMetadata: true,
             logger: logging
         });