[docs] Update npm access command to remove 'none' option for MFA

Author: shmam

content/cli/v11/commands/npm-access.mdx

@@ -42,7 +42,7 @@ npm access list packages [<user>|<scope>|<scope:team>] [<package>]
 npm access list collaborators [<package> [<user>]]
 npm access get status [<package>]
 npm access set status=public|private [<package>]
-npm access set mfa=none|publish|automation [<package>]
+npm access set mfa=publish|automation [<package>]
 npm access grant <read-only|read-write> <scope:team> [<package>]
 npm access revoke <scope:team> [<package>]
 ```