[S390] kconfig: remove tape interface support comment

There is nothing below the menu entry "S/390 tape interface support".
Remove it.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/char/Kconfig

@@ -116,9 +116,6 @@ config S390_TAPE
 	  called tape390 and include all selected interfaces and
 	  hardware drivers.
 
-comment "S/390 tape interface support"
-	depends on S390_TAPE
-
 comment "S/390 tape hardware support"
 	depends on S390_TAPE