nfsd: switch the default for NFSD_LEGACY_CLIENT_TRACKING to "n"

We added this Kconfig option a little over a year ago. Switch the
default to "n" in preparation for its eventual removal.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

Author: jtlayton

fs/nfsd/Kconfig

@@ -164,7 +164,7 @@ config NFSD_V4_SECURITY_LABEL
 config NFSD_LEGACY_CLIENT_TRACKING
 	bool "Support legacy NFSv4 client tracking methods (DEPRECATED)"
 	depends on NFSD_V4
-	default y
+	default n
 	help
 	  The NFSv4 server needs to store a small amount of information on
 	  stable storage in order to handle state recovery after reboot. Most