DEVELOPERS: remove aduskett@gmail.com

I will only be supporting Buildroot in a professional capacity from now on.

Signed-off-by: Adam Duskett <adam.duskett@amarulasolutions.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 951c9a8ebce22f5ff00003fea5ee1ed5d9856fef)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -26,11 +26,6 @@
 #   infrastructure, and will be CC'ed on all patches that add or
 #   modify packages that use this infrastructure.
 
-N:	Adam Duskett <aduskett@gmail.com>
-F:	package/firewalld/
-F:	package/vulkan-loader/
-F:	package/vulkan-tools/
-
 N:	Adam Duskett <adam.duskett@amarulasolutions.com>
 F:	package/depot-tools/
 F:	package/flutter-engine/