Remove unnecessary CSTYLED escapes on top-level macro invocations

cstyle can handle these cases now, so we don't need to disable it.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16840

module/os/linux/zfs/zio_crypt.c

@@ -2073,7 +2073,6 @@ error:
 }
 
 #if defined(_KERNEL)
-/* CSTYLED */
 module_param(zfs_key_max_salt_uses, ulong, 0644);
 MODULE_PARM_DESC(zfs_key_max_salt_uses, "Max number of times a salt value "
 	"can be used for generating encryption keys before it is rotated");