Remove unnecessary matrix_dendrite_role_executed

roles/custom/matrix-dendrite/tasks/main.yml

@@ -30,9 +30,3 @@
   when: run_self_check | bool and matrix_dendrite_enabled | bool
   tags:
     - self-check
-
-- name: Mark matrix-dendrite role as executed
-  ansible.builtin.set_fact:
-    matrix_dendrite_role_executed: true
-  tags:
-    - always

roles/custom/matrix-dendrite/vars/main.yml

@@ -2,9 +2,6 @@
 matrix_dendrite_client_api_url_endpoint_public: "https://{{ matrix_server_fqn_matrix }}/_matrix/client/versions"
 matrix_dendrite_federation_api_url_endpoint_public: "https://{{ matrix_server_fqn_matrix }}:{{ matrix_federation_public_port }}/_matrix/federation/v1/version"
 
-# Tells whether this role had executed or not. Toggled to `true` during runtime.
-matrix_dendrite_role_executed: false
-
 matrix_dendrite_media_store_parent_path: "{{ matrix_dendrite_media_store_path | dirname }}"
 matrix_dendrite_media_store_directory_name: "{{ matrix_dendrite_media_store_path | basename }}"