ci: remove SSH key installation, it's not used atm

Author: jrolfs

codefresh.yml

@@ -40,5 +40,4 @@ steps:
     image: ${{releaser}}
     commands:
       - yarn build
-      - echo "${SSH_KEY}" | tr  ',' '\n' > "/etc/ssh/id_rsa"
       - node src ci-after-success