chore: remove DB related config and scripts

config/sample.engine.docker.ini

@@ -53,13 +53,6 @@ api_engine_store_clock="${AURA_ENGINE_API_BASE_URL}api/v1/clock"
 api_engine_store_health="${AURA_ENGINE_API_BASE_URL}api/v1/source/health/${ENGINE_NUMBER}"
 
 [scheduler]
-# Database settings: Use 'postgresql' or 'mysql'
-db_type="postgresql"
-db_name="${AURA_ENGINE_DB_NAME}"
-db_user="${AURA_ENGINE_DB_USER}"
-db_pass="${AURA_ENGINE_DB_PASS}"
-db_host="${AURA_ENGINE_DB_HOST}"
-db_charset="utf8"
 # Base path as seen by "engine-core", not accessed by "engine"; this is required to construct the absolute audio file path (check "Audio Store" in the docs)
 # Either provide an absolute base path or a relative one starting in the `engine` directory. In case of `engine-core` running in docker use `/var/audio/source`
 audio_source_folder="/var/audio/source"

config/sample.engine.ini

@@ -53,13 +53,6 @@ api_engine_store_clock="http://localhost:8008/api/v1/clock"
 api_engine_store_health="http://localhost:8008/api/v1/source/health/${ENGINE_NUMBER}"
 
 [scheduler]
-# Database settings: Use 'postgresql', 'sqlite' or 'mysql'. In case of SQLite the "db_name" is the name of the file.
-db_type="postgresql"
-db_name="aura_engine"
-db_user="aura_engine"
-db_pass="---SECRET--PASSWORD---"
-db_host="localhost"
-db_charset="utf8"
 # Base path as seen by "engine-core", not accessed by "engine"; this is required to construct the absolute audio file path (check "Audio Store" in the docs)
 # Either provide an absolute base path or a relative one starting in the `engine` directory. In case of `engine-core` running in docker use `/var/audio/source`
 audio_source_folder="../engine-core/audio/source"

contrib/mariadb-create-database.sql

-CREATE DATABASE aura_engine CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
-CREATE USER 'aura_engine'@'localhost' IDENTIFIED BY '1234';
-GRANT ALL PRIVILEGES ON aura_engine.* TO 'aura_engine'@'localhost';
-FLUSH PRIVILEGES;
\ No newline at end of file

contrib/mariadb-requirements.txt

-mysqlclient==1.3.12
\ No newline at end of file

contrib/postgresql-create-database.sql

-\c postgres
-create database aura_engine;
-create user aura_engine with encrypted password '1234';
-grant all privileges on database aura_engine to aura_engine;

contrib/postgresql-drop-all.sql

-\c postgres
-drop database aura_engine;
-drop user aura_engine;

sample.docker.env

@@ -3,12 +3,6 @@ TZ=Europe/Vienna
 # Possible values: debug, info, warning, error, critical
 AURA_ENGINE_LOG_LEVEL=info
 
-# Database for caching scheduling data
-AURA_ENGINE_DB_HOST=127.0.0.1
-AURA_ENGINE_DB_NAME=aura_engine
-AURA_ENGINE_DB_USER=aura_engine
-AURA_ENGINE_DB_PASS=1234
-
 # API
 AURA_ENGINE_API_BASE_URL=http://127.0.0.1:8008/
 AURA_STEERING_BASE_URL=http://127.0.0.1:8000/