Add a filter and/or setting to hide the tooltips on the calendar dates

[Janez Svetin]

see here: https://bizzthemes.com/forums/topic/a-few-questions-about-plugin/

[Željan Topić]

Added filter for individual time slot with 3.1. This is the filter:

apply_filters( 'woocommerce_appointments_time_slot_html', $slot_html, $slot, $slot_left, $slot_locale, $staff_id, $timezone, $appointable_product );