Remove parent location filter from the service point list view

[peterMuriuki]

**closes #1478 **

Removes the parent location search on the service inventory page.

Checklist

• tests are included and passing
• documentation is changed or added
• Internationalization:
  • Ensure all strings are internationalized.
• Role-Based Access:
  • Verify that all user actions have appropriate role-based access permissions set.