Revert "build: specify docker in packer file"

This reverts commit f86fed5d689cb8f4a8d58301fd3d955eedc4adc7.

Change-Id: I47d518d344f4518404a197badcee2938c777b02d
diff --git a/.packer.yml b/.packer.yml
index e205640..df42021 100644
--- a/.packer.yml
+++ b/.packer.yml
@@ -1,5 +1,5 @@
 win32:
-    type: docker
+    type: win32
     exe_commands:
         - echo "Building Daemon"
         - git clone https://gerrit-ring.savoirfairelinux.com/ring-daemon ring-daemon