Replace some simple cases of WithProperties with just plain Property, since WithProperties is deprecated

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64@5685 4407c894-4637-0410-b4f5-ada5f102cad1
Use buildbot stock Trigger step

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64@5686 4407c894-4637-0410-b4f5-ada5f102cad1
Dont ship destname_format over to the builders from teh src

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64@5687 4407c894-4637-0410-b4f5-ada5f102cad1