Config validation not required

Validate_config was copied from the telegram bridge code, but doesn't
apply to the facebook bridge.

roles/matrix-bridge-mautrix-facebook/tasks/main.yml

@@ -2,12 +2,6 @@
   tags:
     - always
 
-- import_tasks: "{{ role_path }}/tasks/validate_config.yml"
-  when: "run_setup|bool and matrix_mautrix_facebook_enabled|bool"
-  tags:
-    - setup-all
-    - setup-mautrix-facebook
-
 - import_tasks: "{{ role_path }}/tasks/setup_install.yml"
   when: "run_setup|bool and matrix_mautrix_facebook_enabled|bool"
   tags:

roles/matrix-bridge-mautrix-facebook/tasks/validate_config.yml

@@ -1,10 +0,0 @@
----
-
-- name: Fail if required settings not defined
-  fail:
-    msg: >-
-      You need to define a required configuration setting (`{{ item }}`).
-  when: "vars[item] == ''"
-  with_items:
-    - "matrix_mautrix_facebook_api_id"
-    - "matrix_mautrix_facebook_api_hash"