Bug 1371038: Remove unused stylo tasks target r=Callek

MozReview-Commit-ID: BXxHTeOyksO

--HG--
extra : rebase_source : 867da3a50013bb3c712d3041bef37191a3e586d2

taskcluster/taskgraph/target_tasks.py

@@ -291,18 +291,6 @@ def target_tasks_pine(full_task_graph, parameters):
     return [l for l, t in full_task_graph.tasks.iteritems() if filter(t)]
 
 
-@_target_task('stylo_tasks')
-def target_tasks_stylo(full_task_graph, parameters):
-    """Target stylotasks that only run on the m-c branch."""
-    def filter(task):
-        platform = task.attributes.get('build_platform')
-        # only select platforms
-        if platform not in ('linux64-stylo'):
-            return False
-        return True
-    return [l for l, t in full_task_graph.tasks.iteritems() if filter(t)]
-
-
 # nightly_linux should be refactored to be nightly_all once
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1267425 dependent bugs are
 # implemented