Moving ext-intl to suggest
Moving ext-intl to suggest

Through it's not required, if not using:
- translation
- NumberFormatting
- DateFormatting
zfc-datagrid/zfc-datagrid,zfc-datagrid/zfc-datagrid,FraGoTe/ZfcDatagrid,kokspflanze/ZfcDatagrid,ThaDafinser/ZfcDatagrid,FraGoTe/ZfcDatagrid,weckx/ZfcDatagrid,kokspflanze/ZfcDatagrid,weckx/ZfcDatagrid,ThaDafinser/ZfcDatagrid