DEVELOPERS: drop Mylène Josserand

Her e-mail address at Collabora is bouncing:

host bhuna.collabora.co.uk[/private/dovecot-lmtp] said: 550 5.1.1
<mylene.josserand@collabora.com> User doesn't exist: mylene.josserand@collabora.com

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

DEVELOPERS

@@ -2078,9 +2078,6 @@ N:	Murat Demirten <mdemirten@yh.com.tr>
 F:	package/jpeg-turbo/
 F:	package/libgeotiff/
 
-N:	Mylène Josserand <mylene.josserand@collabora.com>
-F:	package/rtl8723bu/
-
 N:	Nathaniel Roach <nroach44@gmail.com>
 F:	package/bandwidthd/
 F:	package/libgudev/