package/psplash: drop 'default n' for fullscreen mode

Commit a028f0a51de0ed ("package/psplash: add support for fullscreen config
option") added a 'default n' line to Config.in, but booleans default to 'n',
so we typically do not add such redundant lines.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/psplash/Config.in

@@ -49,7 +49,6 @@ config BR2_PACKAGE_PSPLASH_STARTUP_MSG
 
 config BR2_PACKAGE_PSPLASH_FULL_SCREEN
 	bool "use fullscreen mode"
-	default n
 	help
 	  Enable displaying the psplash image in fullscreen mode.