package: don't hide xorg/tinyx selection

Hiding xorg/tinyx selections until the user unselects "none" seems quite
unintuitive.

package/Config.in

@@ -353,10 +353,8 @@ config BR2_PACKAGE_XSERVER_none
 	default y
 config BR2_PACKAGE_XSERVER_xorg
 	bool "modular xorg"
-	depends on !BR2_PACKAGE_XSERVER_none
 config BR2_PACKAGE_XSERVER_tinyx
 	bool "tinyx"
-	depends on !BR2_PACKAGE_XSERVER_none
 endmenu
 
 config BR2_X11_PREFIX