Remove SSL verification from MySQL

In this commit, the SSL verification is removed from the database connection. This is because this verification lead to unnecessary warnings in the server logs.

application.properties

 # Database settings
-db.url=jdbc:mysql://localhost:3306/tam_database
+db.url=jdbc:mysql://localhost:3306/tam_database?verifyServerCertificate=false&useSSL=true
 db.user=tam_manager
 db.pass=tam_password