DEVELOPERS: drop Yann's entries

As it happens, I am unable to keep maintaining those entries, and it is
misleading to others about whether they should Cc me on their changes.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 773a89d41465387791350d31f51a602322734aeb)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -3170,55 +3170,6 @@ F:	package/casync/
 F:	package/gloox/
 F:	package/tpm2-pkcs11/
 
-N:	Yann E. MORIN <yann.morin.1998@free.fr>
-F:	fs/squashfs/
-F:	package/asterisk/
-F:	package/cegui/
-F:	package/dahdi-linux/
-F:	package/dahdi-tools/
-F:	package/dbus-broker/
-F:	package/dtc/
-F:	package/dtv-scan-tables/
-F:	package/dvb-apps/
-F:	package/freerdp/
-F:	package/keyutils/
-F:	package/libbsd/
-F:	package/libedit/
-F:	package/libgsm/
-F:	package/libiberty/
-F:	package/libinput/
-F:	package/libiscsi/
-F:	package/libpri/
-F:	package/libseccomp/
-F:	package/libss7/
-F:	package/linux-firmware/
-F:	package/linux-tools/
-F:	package/matchbox*
-F:	package/mesa3d-headers/
-F:	package/nbd/
-F:	package/nut/
-F:	package/nvidia-driver/
-F:	package/omxplayer/
-F:	package/python-pyparsing/
-F:	package/pkg-download.mk
-F:	package/pkg-waf.mk
-F:	package/slirp/
-F:	package/snappy/
-F:	package/spice/
-F:	package/spice-protocol/
-F:	package/systemd/
-F:	package/systemd-bootchart/
-F:	package/tmux/
-F:	package/tvheadend/
-F:	package/usbredir/
-F:	package/vde2/
-F:	package/w_scan/
-F:	package/wayland/
-F:	package/weston/
-F:	package/wtfutil/
-F:	package/zisofs-tools/
-F:	support/download/
-
 N:	Yann E. MORIN <yann.morin@orange.com>
 F:	.editorconfig
 F:	package/gpsd/