Remove references to sqlite

Remove references to sqlite since we should just use postgres from the
outset.

roles/matrix-bridge-mautrix-twitter/defaults/main.yml

@@ -36,19 +36,10 @@ matrix_mautrix_twitter_homeserver_token: ''
 
 # Database-related configuration fields.
 #
-# To use SQLite:
-# - change the engine (`matrix_mautrix_twitter_database_engine: 'sqlite'`)
-# - change to the last bridge version that supported SQLite:
-#   `matrix_mautrix_twitter_docker_image: "{{ matrix_mautrix_twitter_docker_image_name_prefix }}tulir/mautrix-twitter:da1b4ec596e334325a1589e70829dea46e73064b"`
-# - plan your migration to Postgres, as this bridge does not support SQLite anymore (and neither will the playbook in the future).
-#
 # To use Postgres:
 # - adjust your database credentials via the `matrix_mautrix_twitter_postgres_*` variables
 matrix_mautrix_twitter_database_engine: 'postgres'
 
-matrix_mautrix_twitter_sqlite_database_path_local: "{{ matrix_mautrix_twitter_data_path }}/mautrix-twitter.db"
-matrix_mautrix_twitter_sqlite_database_path_in_container: "/data/mautrix-twitter.db"
-
 matrix_mautrix_twitter_database_username: 'matrix_mautrix_twitter'
 matrix_mautrix_twitter_database_password: 'some-password'
 matrix_mautrix_twitter_database_hostname: 'matrix-postgres'
@@ -59,7 +50,6 @@ matrix_mautrix_twitter_database_connection_string: 'postgres://{{ matrix_mautrix
 
 matrix_mautrix_twitter_appservice_database: "{{
 	{
-		'sqlite': ('sqlite:///' + matrix_mautrix_twitter_sqlite_database_path_in_container),
 		'postgres': matrix_mautrix_twitter_database_connection_string,
 	}[matrix_mautrix_twitter_database_engine]
 }}"

roles/matrix-bridge-mautrix-twitter/tasks/setup_install.yml

@@ -11,29 +11,6 @@
 - set_fact:
     matrix_mautrix_twitter_requires_restart: false
 
-- block:
-    - name: Check if an SQLite database already exists
-      stat:
-        path: "{{ matrix_mautrix_twitter_sqlite_database_path_local }}"
-      register: matrix_mautrix_twitter_sqlite_database_path_local_stat_result
-
-    - block:
-        - set_fact:
-            matrix_postgres_db_migration_request:
-              src: "{{ matrix_mautrix_twitter_sqlite_database_path_local }}"
-              dst: "{{ matrix_mautrix_twitter_database_connection_string }}"
-              caller: "{{ role_path|basename }}"
-              engine_variable_name: 'matrix_mautrix_twitter_database_engine'
-              engine_old: 'sqlite'
-              systemd_services_to_stop: ['matrix-mautrix-twitter.service']
-
-        - import_tasks: "{{ role_path }}/../matrix-postgres/tasks/util/migrate_db_to_postgres.yml"
-
-        - set_fact:
-            matrix_mautrix_twitter_requires_restart: true
-      when: "matrix_mautrix_twitter_sqlite_database_path_local_stat_result.stat.exists|bool"
-  when: "matrix_mautrix_twitter_database_engine == 'postgres'"
-
 - name: Ensure Mautrix Twitter image is pulled
   docker_image:
     name: "{{ matrix_mautrix_twitter_docker_image }}"
@@ -76,23 +53,6 @@
       pull: yes
   when: "matrix_mautrix_twitter_enabled|bool and matrix_mautrix_twitter_container_image_self_build|bool"
 
-- name: Check if an old database file already exists
-  stat:
-    path: "{{ matrix_mautrix_twitter_base_path }}/mautrix-twitter.db"
-  register: matrix_mautrix_twitter_stat_database
-
-- name: (Data relocation) Ensure matrix-mautrix-twitter.service is stopped
-  service:
-    name: matrix-mautrix-twitter
-    state: stopped
-    daemon_reload: yes
-  failed_when: false
-  when: "matrix_mautrix_twitter_stat_database.stat.exists"
-
-- name: (Data relocation) Move mautrix-twitter database file to ./data directory
-  command: "mv {{ matrix_mautrix_twitter_base_path }}/mautrix-twitter.db {{ matrix_mautrix_twitter_data_path }}/mautrix-twitter.db"
-  when: "matrix_mautrix_twitter_stat_database.stat.exists"
-
 - name: Ensure mautrix-twitter config.yaml installed
   copy:
     content: "{{ matrix_mautrix_twitter_configuration|to_nice_yaml }}"

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

@@ -8,24 +8,3 @@
   with_items:
     - "matrix_mautrix_twitter_appservice_token"
     - "matrix_mautrix_twitter_homeserver_token"
-
-- block:
-    - name: Fail if on SQLite, unless on the last version supporting SQLite
-      fail:
-        msg: >-
-          You're trying to use the mautrix-twitter bridge with an SQLite database.
-          Going forward, this bridge only supports Postgres.
-          To learn more about this, see our changelog: https://github.com/spantaleev/matrix-docker-ansible-deploy/blob/master/CHANGELOG.md#breaking-change-the-mautrix-twitter-bridge-now-requires-a-postgres-database
-      when: "not matrix_mautrix_twitter_docker_image.endswith(':da1b4ec596e334325a1589e70829dea46e73064b')"
-
-    - name: Inject warning if still on SQLite
-      set_fact:
-        matrix_playbook_runtime_results: |
-          {{
-            matrix_playbook_runtime_results|default([])
-            +
-            [
-              "NOTE: Your mautrix-twitter bridge setup is still on SQLite. Your bridge is not getting any updates and will likely stop working at some point. To learn more about this, see our changelog: https://github.com/spantaleev/matrix-docker-ansible-deploy/blob/master/CHANGELOG.md#breaking-change-the-mautrix-twitter-bridge-now-requires-a-postgres-database"
-            ]
-          }}
-  when: "matrix_mautrix_twitter_database_engine == 'sqlite'"