Bug 1237681: remove REGISTRY and VERSION for in-tree-generated images; r=garndt

--HG-- extra : commitid : Dig0CURDMNm extra : rebase_source : 74116809198d8373c0a50ae958353abf7c077a99 extra : amend_source : 99b41b54c78e5e6f70bda3d33d6b5d2d2971130c
2016-01-29 17:28:04 +00:00 · 2016-01-29 17:28:04 +00:00 · 69b80de5df
--- a/testing/docker/desktop-build/REGISTRY
+++ b/testing/docker/desktop-build/REGISTRY
@ -1 +0,0 @@
-taskcluster
--- a/testing/docker/desktop-build/VERSION
+++ b/testing/docker/desktop-build/VERSION
@ -1 +0,0 @@
-0.1.12
--- a/testing/docker/desktop-test/REGISTRY
+++ b/testing/docker/desktop-test/REGISTRY
@ -1 +0,0 @@
-taskcluster
--- a/testing/docker/desktop-test/VERSION
+++ b/testing/docker/desktop-test/VERSION
@ -1 +0,0 @@
-0.5.7