This is to ensure that mysql server is not uninstalled when wordpress is
uninstalled.
Tests:
- Uninstalling zoph does not remove default-mysql-server when wordpress is
installed.
- Uninstalling wordpress does not remove default-mysql-server when zoph is
installed.
- Uninstalling both wordpress and zoph removes default-mysql-server.
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>