Exclude a pml component that is not necessary for Windows.

This commit was SVN r22342.

ompi/mca/pml/dr/.windows

@@ -1,12 +0,0 @@
-#
-# Copyright (c) 2008      High Performance Computing Center Stuttgart, 
-#                         University of Stuttgart.  All rights reserved.
-# $COPYRIGHT$
-# 
-# Additional copyrights may follow
-# 
-# $HEADER$
-#
-
-# Specific to this module
-mca_dependencies=libmpi libopen-rte