ndctl/Documentation: change disable-passphrase to remove-passphrase

The man pages for security related commands sometimes mentioned a
non-existent 'disable-passphrase' command. This was an artifact from
older versions of the related patches, where 'remove-passphrase' was
called 'disable-passphrase'. Remove mentions of the latter from the
documentation.

Signed-off-by: Steve Scargall <steve.scargall@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
diff --git a/Documentation/ndctl/intel-nvdimm-security.txt b/Documentation/ndctl/intel-nvdimm-security.txt
index f876360..142b460 100644
--- a/Documentation/ndctl/intel-nvdimm-security.txt
+++ b/Documentation/ndctl/intel-nvdimm-security.txt
@@ -106,7 +106,7 @@
 
 === CRYPTO (SECURE) ERASE
 
-This operation is similar to disable-passphrase. The kernel issues a WBINVD
+This operation is similar to remove-passphrase. The kernel issues a WBINVD
 instruction before and after the operation to ensure no data corruption from
 a stale CPU cache. Use ndctl's sanitize-dimm command with the `--crypto-erase`
 option to perform this operation.