Update sshd algorithms

* Removed NIST-P curves as they are suspected to be backdoored by the NSA.
* Removed "encrypt-and-mac" algorithms as they may be weaker than "encrypt-then-mac" variants.
2 jobs for ssh-config-refresh in 6 minutes and 4 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #3593
lint

00:00:53

passed #3594
parser

00:06:04