Clean up QAxSignalVec


Change-Id: I1f66bb0fe5fab7f5598af464353405439d145274
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
commit67857a4775e63a97a2ec121eece0b7f42f6c77d8
parentcbaa8f52e1ab6e4dcc555015e73818e58f64e249
authorPavel Dubsky <pavel.dubsky@qt.io>
committerPavel Dubsky <pavel.dubsky@qt.io>
commit timeMon, 23 Mar 2026 20:39:51 +0100