Just tried the simplest way
- Install fresh Grav
- No changes - jQuery loads
- Delete
{% do assets.addJs('jquery', 101) %}in line 30 of Quarks base template - jQuery is gone
- Install fresh Grav + Admin
- No changes - jQuery loads
- Delete
{% do assets.addJs('jquery', 101) %}in line 30 of Quarks base template - jQuery still loads