Remove content of TLS-Everywhere molecule.conf

Remove the content to inherit the behaviour from
tripleo-validations/.config/molecule/config.yml

Change-Id: I5b4d45b4223a3bf6434214cdafd258f0dd85096c

roles/tls_everywhere/molecule/default/molecule.yml

@@ -1,20 +1,3 @@
 ---
 # inherits tripleo-validations/.config/molecule/config.yml
 # To override default values, please take a look at the config.yml.
-
-platforms:
-  - name: centos
-    hostname: centos
-    image: centos/centos:stream8
-    registry:
-      url: quay.io
-    dockerfile: ../../../../.config/molecule/Dockerfile
-    pkg_extras: python*-setuptools python*-pyyaml krb5-workstation
-    volumes:
-      - /etc/ci/mirror_info.sh:/etc/ci/mirror_info.sh:ro
-    privileged: true
-    environment: &env
-      http_proxy: "{{ lookup('env', 'http_proxy') }}"
-      https_proxy: "{{ lookup('env', 'https_proxy') }}"
-    ulimits: &ulimit
-      - host