Scheduler: Technicians are not associated to any sites.

Scheduler: Technicians are not associated to any sites.

We do not have any technicians or support groups associated to our Sites.  When we open the Scheduler section the Site default to all sites but the calendar does not show any information.  We have to change the Site to "Not associated to any sites" first.  Hoping for suggestions or answer to the below.
 
Is there a way to:
  1. Change the the default for Site to "Not associated to any sites"
  2. Remove "All Sites" from the list in Sites

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