DEVELOPERS: regroup entries for Sven Neumann

Move all entries from Sven Neumann under his new e-mail address.

Signed-off-by: Sven Neumann <neumann@teufel.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1882,13 +1882,11 @@ F:	package/lcdproc/
 F:	package/python-influxdb/
 
 N:	Sven Neumann <neumann@teufel.de>
-F:	package/gstreamer1/gst1-libav/
-F:	package/wampcc/
-
-N:	Sven Neumann <s.neumann@raumfeld.com>
 F:	package/glib-networking/
+F:	package/gstreamer1/gst1-libav/
 F:	package/libmms/
 F:	package/orc/
+F:	package/wampcc/
 
 N:	Sébastien Szymanski <sebastien.szymanski@armadeus.com>
 F:	package/mmc-utils/