DEVELOPERS: remove Pranit Sirsat, e-mail bounces

<Pranit.Sirsat@imgtec.com>: host mxa-00376f01.gslb.pphosted.com[91.207.212.86]
    said: 550 5.1.1 User Unknown (in reply to RCPT TO command)

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

DEVELOPERS

@@ -1899,9 +1899,6 @@ F:	package/libdvbpsi/
 F:	package/mraa/
 F:	package/synergy/
 
-N:	Pranit Sirsat <Pranit.Sirsat@imgtec.com>
-F:	package/paho-mqtt-c/
-
 N:	Rafal Susz <rafal.susz@gmail.com>
 F:	board/avnet/s6lx9_microboard/
 F:	configs/s6lx9_microboard_defconfig