lib: Remove string from parman config selection

As reported by Geert, remove the string so the user does not see this
config option. The option is explicitly selected only as a dependency of
in-kernel users.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 44091d29f207 ("lib: Introduce priority array area manager")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/lib/Kconfig b/lib/Kconfig
index 5d644f1..f355260 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -551,6 +551,6 @@
 	bool
 
 config PARMAN
-	tristate "parman"
+	tristate
 
 endmenu