DEVELOPERS: remove qt5webkit-examples entry from Gaël Portay

This causes warning on ./utils/get-developers:
WARNING: 'package/qt5/qt5webkit-examples/' doesn't match any file
because 'package/qt5/qt5webkit-examples/' has been removed, so let's remove
its entry in this file.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1021,7 +1021,6 @@ N:	Gaël Portay <gael.portay@collabora.com>
 F:	package/qt5/qt5virtualkeyboard/
 F:	package/qt5/qt5webengine/
 F:	package/qt5/qt5webkit/
-F:	package/qt5/qt5webkit-examples/
 
 N:	Gao Xiang <hsiangkao@aol.com>
 F:	package/erofs-utils/