trds: remove default wallpaper

Change-Id: I8af21c4f0a1da130c32811b1c951c00316a88d9d
Signed-off-by: siracuervo <fl.siracusa@outlook.com.ar>

Conflicts:
	core/res/res/drawable-holodark-nodpi/default_wallpaper.jpg
	core/res/res/drawable-holodark-xhdpi/default_wallpaper.jpg
	core/res/res/drawable-holodark-xxhdpi/default_wallpaper.jpg
	core/res/res/drawable-sw600dp-holodark-nodpi/default_wallpaper.jpg
	core/res/res/drawable-sw720dp-holodark-nodpi/default_wallpaper.jpg
Advanced reboot enabled by default (1/2)

Change-Id: Ie8ab34ecc532d14d296e33fa568e6cf3ebc681e8
Signed-off-by: siracuervo <fl.siracusa@outlook.com.ar>