package/network-manager: remove leftover comment about headers

Commit 0a8ef2f3f7bc211d38a5a37007bdeb489bd37aae bumped the headers
version requirements, but did not update the associated comment.

Remove the comment entirely, as it does not apply anymore.

Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit bdaade3e34394aefe376d3578d598a863c2ba1a1)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/network-manager/Config.in

@@ -4,7 +4,6 @@ config BR2_PACKAGE_NETWORK_MANAGER
 	depends on BR2_USE_MMU # dbus
 	depends on BR2_PACKAGE_HAS_UDEV
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
-	# Tested with 3.2, but may even work with earlier versions
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6
 	depends on BR2_TOOLCHAIN_USES_GLIBC # CLOCK_BOOTTIME, IPTOS_CLASS_*
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2