Removed references to tcpcloud docker repos

Change-Id: Ibfb05319320c7f4fc86598e45f908a14105d39ea
diff --git a/jenkins/client/job/docker/build-images.yml b/jenkins/client/job/docker/build-images.yml
index 334db19..12c84c1 100644
--- a/jenkins/client/job/docker/build-images.yml
+++ b/jenkins/client/job/docker/build-images.yml
@@ -55,7 +55,7 @@
                 default: ""
               REGISTRY_CREDENTIALS_ID:
                 type: string
-                default: "dockerhub"
+                default: "mirantis-dockerhub"
               DOCKER_GIT_TAG:
                 type: boolean
                 default: "true"