docker: remove legacy docker socket path

Signed-off-by: Tyler Auerbeck <[email protected]>

Author: tylerauerbeck

sdk_container/src/third_party/coreos-overlay/coreos/sysext/docker/usr/lib/systemd/system/docker.socket

@@ -3,7 +3,7 @@ Description=Docker Socket for the API
 PartOf=docker.service
 
 [Socket]
-ListenStream=/var/run/docker.sock
+ListenStream=/run/docker.sock
 SocketMode=0660
 SocketUser=root
 SocketGroup=docker