Removed backup, just database and user creation

README.md

@@ -16,7 +16,7 @@ docker run --rm \
     -e DB_DATABASE=database_to_create \
     -e DB_USER=user_to_create \
     -e DB_PASSWORD=user_password \
-    bboehmke/db-helper
+    dtwardow/db-helper
 ```
 
 In compose file:
@@ -51,5 +51,4 @@ Available Configuration Parameters
 - **DB_DATABASE**: Database to create
 - **DB_USER**: User to create with access to `DB_DATABASE`
 - **DB_PASSWORD**: Password of `DB_USER`
-- **BACKUP_SCHEDULE**: If set an SQL dump of the database is created automatically all `15min`, `hourly`, `daily`, `weekly` or `monthly`
 - **PG_EXTENSIONS**: List of postgres extensions (only for postgresql)