Remove source from reporter

Source is available as part of the item so we don't need to pass it as a
parameter.

Change-Id: If871823f60f28665c87a705fb00cc30d7b849c12
Signed-off-by: Jamie Lennox <jamielennox@gmail.com>
diff --git a/zuul/manager/__init__.py b/zuul/manager/__init__.py
index d13a1b4..1f2062f 100644
--- a/zuul/manager/__init__.py
+++ b/zuul/manager/__init__.py
@@ -146,20 +146,17 @@
 
     def reportStart(self, item):
         if not self.pipeline._disabled:
-            source = item.change.project.source
             try:
                 self.log.info("Reporting start, action %s item %s" %
                               (self.pipeline.start_actions, item))
-                ret = self.sendReport(self.pipeline.start_actions,
-                                      source, item)
+                ret = self.sendReport(self.pipeline.start_actions, item)
                 if ret:
                     self.log.error("Reporting item start %s received: %s" %
                                    (item, ret))
             except:
                 self.log.exception("Exception while reporting start:")
 
-    def sendReport(self, action_reporters, source, item,
-                   message=None):
+    def sendReport(self, action_reporters, item, message=None):
         """Sends the built message off to configured reporters.
 
         Takes the action_reporters, item, message and extra options and
@@ -168,7 +165,7 @@
         report_errors = []
         if len(action_reporters) > 0:
             for reporter in action_reporters:
-                ret = reporter.report(source, self.pipeline, item)
+                ret = reporter.report(self.pipeline, item)
                 if ret:
                     report_errors.append(ret)
             if len(report_errors) == 0:
@@ -737,7 +734,6 @@
 
     def _reportItem(self, item):
         self.log.debug("Reporting change %s" % item.change)
-        source = item.change.project.source
         ret = True  # Means error as returned by trigger.report
         if item.getConfigError():
             self.log.debug("Invalid config for change %s" % item.change)
@@ -772,7 +768,7 @@
             try:
                 self.log.info("Reporting item %s, actions: %s" %
                               (item, actions))
-                ret = self.sendReport(actions, source, item)
+                ret = self.sendReport(actions, item)
                 if ret:
                     self.log.error("Reporting item %s received: %s" %
                                    (item, ret))