[gimp/metadata-browser] pygimp: Delete duplicate COPYING (same as top-level)

[Roman Joost <romanofski src gnome org>]

commit 8e5efbb98b66d9d6e4f8fc422f34045309244d1a
Author: Mukund Sivaraman <muks banu com>
Date:   Wed Dec 7 00:13:56 2011 +0530

    pygimp: Delete duplicate COPYING (same as top-level)
    
    Both the top-level COPYING and the one in the pygimp directory are
    GNU GPLv3 licenses.

 plug-ins/pygimp/COPYING |  674 -----------------------------------------------
 1 files changed, 0 insertions(+), 674 deletions(-)