NAME
        RemoveAppIcon - remove an icon from Workbench's list            (V36)
                         of AppIcons.

   SYNOPSIS
        success = RemoveAppIcon(AppIcon)
         D0                      A0

        bool removeappicon(struct appicon *);

   FUNCTION
        Attempt to remove an appicon from workbench's list of appicons.

   INPUTS
        appicon - pointer to an appicon structure returned by addappicon.

   RESULTS
        success - TRUE if the icon could be removed, FALSE otherwise.

   NOTES
        As with anything that deals with asynchronous operation, you will need
        to do a final check for messages on your appmessage port for messages
        that may have come in between the last time you checked and the
        call to remove the appicon.

   SEE ALSO
        workbench.library/addappicona