package/kf5: drop QT5_VERSION_LATEST logic

Now that the version selection has been removed.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/kf5/Config.in

@@ -1,7 +1,6 @@
 menuconfig BR2_PACKAGE_KF5
 	bool "KF5"
 	depends on BR2_PACKAGE_QT5
-	depends on BR2_PACKAGE_QT5_VERSION_LATEST
 	help
 	  This option enables the KF5 KDE Frameworks. Sub-options
 	  allow to select which modules should be built.