Rename Dockerfile.j2 to Dockerfile

Rename Dockerfile.j2 to Dockerfile.

Change-Id: Iebd9ddd32a97697406c575e6188676c9e1c7cc7a

roles/check_undercloud_conf/molecule/config_OK/molecule.yml

@@ -10,6 +10,7 @@ platforms:
     image: ubi8/ubi-init
     registry:
       url: registry.access.redhat.com
+    dockerfile: Dockerfile
     pkg_extras: python*-setuptools python*-pyyaml
     volumes:
       - /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro

roles/check_undercloud_conf/molecule/default/molecule.yml

@@ -10,6 +10,7 @@ platforms:
     image: ubi8/ubi-init
     registry:
       url: registry.access.redhat.com
+    dockerfile: Dockerfile
     pkg_extras: python*-setuptools python*-pyyaml
     volumes:
       - /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro

roles/check_undercloud_conf/molecule/deprecated_drivers/molecule.yml

@@ -10,6 +10,7 @@ platforms:
     image: ubi8/ubi-init
     registry:
       url: registry.access.redhat.com
+    dockerfile: Dockerfile
     pkg_extras: python*-setuptools python*-pyyaml
     volumes:
       - /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro

roles/check_undercloud_conf/molecule/required_missing/molecule.yml

@@ -10,6 +10,7 @@ platforms:
     image: ubi8/ubi-init
     registry:
       url: registry.access.redhat.com
+    dockerfile: Dockerfile
     pkg_extras: python*-setuptools python*-pyyaml
     volumes:
       - /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro