Remove dependency of the QSComposeFragment flag

As we want to release this before the full refactor is completed, and
that flag actually doesn't provide extra protections, remove the
dependency.

Test: build
Bug: 353254228
Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Change-Id: I3de2d817f21a0b5f9858ebb6fd711b53e3279ebb