Don't package removed pysetup3 anymore.

Tools/msi/msi.py

@@ -1146,7 +1146,6 @@ def add_files(db):
         if f == 'Scripts':
             lib.add_file("2to3.py", src="2to3")
             lib.add_file("pydoc3.py", src="pydoc3")
-            lib.add_file("pysetup3.py", src="pysetup3")
             lib.add_file("pyvenv.py", src="pyvenv")
             if have_tcl:
                 lib.start_component("pydocgui.pyw", tcltk, keyfile="pydocgui.pyw")