AsyncFunc header is dead

since
    commit 6884899
    Author: Caolán McNamara <[email protected]>
    Date:   Tue Nov 2 14:25:24 2021 +0000
    Revert "tdf#117895: "Edit document properties before saving"..."

Change-Id: I65239b4d9ca96075701121edc32d07c91631c629
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145966
Tested-by: Jenkins
Reviewed-by: Noel Grandin <[email protected]>

Author: Noel Grandin

sfx2/IwyuFilter_sfx2.yaml

@@ -131,9 +131,6 @@ excludelist:
     sfx2/source/doc/signaturestate.cxx:
     # Actually used
     - com/sun/star/security/DocumentSignatureInformation.hpp
-    sfx2/source/inc/asyncfunc.hxx:
-    # base class has to be a complete type
-    - com/sun/star/lang/XUnoTunnel.hpp
     sfx2/source/sidebar/ControllerFactory.cxx:
     # Actually used
     - com/sun/star/frame/XFrame.hpp