DEVELOPERS: drop Sven Fischer

Sven has privately asked to no longer receive notifications related to
this package.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -2567,9 +2567,6 @@ F:	configs/rock_pi_n10_defconfig
 F:	configs/rockpro64_defconfig
 F:	package/arm-gnu-a-toolchain/
 
-N:	Sven Fischer <sven@leiderfischer.de>
-F:	package/qt5/qt5remoteobjects/
-
 N:	Sven Haardiek <sven.haardiek@iotec-gmbh.de>
 F:	package/lcdproc/
 F:	package/python-influxdb/