Remove tests

-import webint_system
-
-
-def test_app():
-    def get_headers(h):
-        return [_.text for _ in webint_system.app.get("").dom.select(f"h{h}")]
-
-    assert get_headers(1) == ["System"]
-    assert get_headers(2) == ["Addresses", "Software", "Settings"]
-    assert get_headers(3) == ["Clearnet", "Darknet", "Routes", "Wrappers"]