Remove index_services_on_type_id_when_active_not_instance_not_template index

Description

After adding index_services_on_type_id_when_active_and_project_id_not_null index in !44726 (merged), we can remove index_services_on_type_id_when_active_not_instance_not_template.

• index_services_on_type_id_when_active_not_instance_not_template was added !27093 (merged) and updated !38147 (merged) just for the usage data.
• There is no other query for template = FALSE in the codebase.
• We will maintain the partial index for (type, id).