DEVELOPERS: remove Jugurtha BELKALEM

Jugurtha's email address is bounding:

 550 5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces.

Remove it from the DEVELOPERS file so that utils/get-developers
doesn't send emails to non-existent addresses.

Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
Signed-off-by: Julien Olivain <ju.o@free.fr>

DEVELOPERS

@@ -1768,15 +1768,6 @@ F:	package/unclutter-xfixes/
 N:	Joshua Henderson <joshua.henderson@microchip.com>
 F:	package/qt5/qt5wayland/
 
-N:	Jugurtha BELKALEM <jugurtha.belkalem@smile.fr>
-F:	package/bcc/
-F:	package/python-aiofiles/
-F:	package/python-crayons/
-F:	package/python-cycler/
-F:	package/python-matplotlib/
-F:	package/python-opcua-asyncio/
-F:	package/python-piexif/
-
 N:	Juha Rantanen <juha@codercoded.com>
 F:	package/acsccid/