I do not think you have options to disable them individually. However there is an option to enable 256-bit cipher for SSH
(WLC) >config network ssh cipher-option high ?
enable Require 256-bit ciphers for SSH.
disable Don't require 256-bit ciphers for
(WLC) >config network ssh cipher-option high enable
You can use "show network summary" command to verify your configuration.
HTH
Rasika
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