Bug 1375159: Disable macosx64-devedition buildbot tests scheduling. r=catlee

They are now scheduled in Taskcluster.

MozReview-Commit-ID: GVAjou4kVuO

--HG--
extra : rebase_source : 812d2f33862ba6e1b9565e8f1739373eb9ebd07d

testing/mozharness/configs/builds/releng_sub_mac_configs/64_devedition.py

@@ -5,6 +5,6 @@ config = {
     'stage_product': 'devedition',
 
     # Enable sendchanges for bug 1372412
-    'enable_talos_sendchange': True,
-    'enable_unittest_sendchange': True,
+    'enable_talos_sendchange': False,
+    'enable_unittest_sendchange': False,
 }