Remove unnecessary if condition

All of `setup_install.yml` only runs if `matrix_bot_matrix_reminder_bot_enabled`,
so it's not necessary to add that condition once again.

roles/matrix-bot-matrix-reminder-bot/tasks/setup_install.yml

@@ -46,7 +46,7 @@
     source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
     force_source: "{{ matrix_bot_matrix_reminder_bot_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
     force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_bot_matrix_reminder_bot_docker_image_force_pull }}"
-  when: "matrix_bot_matrix_reminder_bot_enabled|bool and not matrix_bot_matrix_reminder_bot_container_self_build|bool"
+  when: "not matrix_bot_matrix_reminder_bot_container_self_build|bool"
 
 - name: Ensure matrix-reminder-bot repository is present on self-build
   git:
@@ -54,7 +54,7 @@
     dest: "{{ matrix_bot_matrix_reminder_bot_docker_src_files_path }}"
     force: "yes"
   register: matrix_bot_matrix_reminder_bot_git_pull_results
-  when: "matrix_bot_matrix_reminder_bot_enabled|bool and matrix_bot_matrix_reminder_bot_container_self_build|bool"
+  when: "matrix_bot_matrix_reminder_bot_container_self_build|bool"
 
 - name: Ensure matrix-reminder-bot image is built
   docker_image:
@@ -66,7 +66,7 @@
       dockerfile: docker/Dockerfile
       path: "{{ matrix_bot_matrix_reminder_bot_docker_src_files_path }}"
       pull: yes
-  when: "matrix_bot_matrix_reminder_bot_enabled|bool and matrix_bot_matrix_reminder_bot_container_self_build|bool"
+  when: "matrix_bot_matrix_reminder_bot_container_self_build|bool"
 
 - name: Ensure matrix-reminder-bot config installed
   copy: