CORD-2772 build synchronizer dockerfiles in root for rcord and vrouter

Change-Id: I792b6ca0df8b5fdff76943d7fa7887e66242400d
diff --git a/docker_images.yml b/docker_images.yml
index ed388cc..d2b3447 100644
--- a/docker_images.yml
+++ b/docker_images.yml
@@ -168,7 +168,6 @@
 
   - name: xosproject/vrouter-synchronizer
     repo: vrouter
-    path: "xos/synchronizer"
     dockerfile: "Dockerfile.synchronizer"
 
   - name: xosproject/vtn-synchronizer
@@ -252,7 +251,6 @@
 
   - name: xosproject/rcord-synchronizer
     repo: rcord
-    path: "xos/synchronizer"
     dockerfile: "Dockerfile.synchronizer"
 
   - name: xosproject/progran-synchronizer