[chores] Removed commented out freeradius test

Let's keep it simple and focus our efforts on the docker deployments.

molecule/resources/verify.yml

@@ -61,22 +61,3 @@
         - name: Show OpenWisp log
           debug:
             var: openwisp_log
-
-    - name: Check Freeradius
-    # TODO: This test should work when openwisp-radius 0.3.0 is released!
-    #   block:
-    #     - name: Get radius-token for admin user
-    #       uri:
-    #         url: "https://{{ inventory_hostname }}/api/v1/default/account/token/"
-    #         validate_certs: false
-    #         method: POST
-    #         body_format: form-urlencoded
-    #         body:
-    #           username: admin
-    #           password: admin
-    #     - name: Check if freeradius is running
-    #       command: radtest admin admin localhost 0 testing123
-    #       register: freeradius_status
-    #       failed_when: '"Received Access-Accept" not in freeradius_status.stdout'
-      debug:
-        msg: "This test should work when openwisp-radius 0.3.0 is released!"