DEVELOPERS: remove myself from azure-iot-sdk-c

Signed-off-by: André Hentschel <nerv@dawncrow.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit fbc54866a34008a7880447ef1b2994c5701925cb)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -133,7 +133,6 @@ F:	package/ktap/
 N:	André Hentschel <nerv@dawncrow.de>
 F:	board/freescale/imx8qxpmek/
 F:	configs/freescale_imx8qxpmek_defconfig
-F:	package/azure-iot-sdk-c/
 F:	package/freescale-imx/imx-sc-firmware/
 F:	package/libkrb5/
 F:	package/openal/