MAINTAINERS: Remove power-supply co-maintainers

This documents the status quo and keeps everyones
cc/to-list a bit shorter.

Signed-off-by: Sebastian Reichel <sre@kernel.org>

CREDITS

diff --git a/CREDITS b/CREDITS
index 2a3fbcd..2cb28a3 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1090,6 +1090,10 @@
 S: Pleasanton, CA 94588
 S: USA
 
+N: Dmitry Eremin-Solenikov
+E: dbaryshkov@gmail.com
+D: Power Supply Maintainer from v3.14 - v3.15
+
 N: Doug Evans
 E: dje@cygnus.com
 D: Wrote Xenix FS (part of standard kernel since 0.99.15)