Updating implementation coverage

IMPLEMENTATION_COVERAGE.md

@@ -434,7 +434,6 @@
 - [ ] get_applied_schema_version
 - [ ] get_directory
 - [ ] get_facet
-- [ ] get_object_attributes
 - [ ] get_object_information
 - [ ] get_schema_as_json
 - [ ] get_typed_link_facet_information
@@ -4379,7 +4378,6 @@
 - [ ] create_user
 - [ ] delete_alias
 - [ ] delete_group
-- [ ] delete_mailbox_permissions
 - [ ] delete_resource
 - [ ] delete_user
 - [ ] deregister_from_work_mail
@@ -4392,12 +4390,10 @@
 - [ ] list_aliases
 - [ ] list_group_members
 - [ ] list_groups
-- [ ] list_mailbox_permissions
 - [ ] list_organizations
 - [ ] list_resource_delegates
 - [ ] list_resources
 - [ ] list_users
-- [ ] put_mailbox_permissions
 - [ ] register_to_work_mail
 - [ ] reset_password
 - [ ] update_primary_email_address