[M] Reorganize migrations

src/main/resources/application.properties

@@ -19,13 +19,9 @@ spring.servlet.multipart.max-request-size=20MB
 
 spring.flyway.clean-disabled=false
 spring.flyway.baseline-on-migrate=true
-spring.flyway.locations=classpath:db/migration/{vendor}
+spring.flyway.locations=classpath:db
 spring.flyway.out-of-order=true
 spring.flyway.validate-on-migrate=false
-
-spring.datasource.driver-class-name=org.sqlite.JDBC
-spring.datasource.url=jdbc:sqlite:data/db.sqlite
-spring.datasource.hikari.maximum-pool-size=1
 spring.jpa.hibernate.ddl-auto=none
 
 # Force color output even in non-tty mode