Add CIPD pin reporting to swarming.

appengine/swarming/server/task_request.py

Index: appengine/swarming/server/task_request.py
diff --git a/appengine/swarming/server/task_request.py b/appengine/swarming/server/task_request.py
index da546984fc708bdc8586736b89728009b8ccb2ce..732d1d251664288c3bfa93454cbbb915adfbca7e 100644
--- a/appengine/swarming/server/task_request.py
+++ b/appengine/swarming/server/task_request.py
@@ -333,15 +333,6 @@ class CipdInput(ndb.Model):
       package_names.add(p.package_name)
     self.packages.sort(key=lambda p: p.package_name)
 
-  def packages_grouped_by_path(self):
-    """Returns sorted [(path), [package]) list. Used by user_task.html."""
-    packages = collections.defaultdict(list)
-    for p in self.packages:
-      packages[p.path].append(p)
-    for pkgs in packages.itervalues():
-      pkgs.sort()
-    return sorted(packages.iteritems())
-
 
 class TaskProperties(ndb.Model):
   """Defines all the properties of a task to be run on the Swarming