Skip SSH setup in Vitis CI

.github/scripts/run-linux-poweroff-vitis.py

@@ -16,7 +16,7 @@ def run_linux_poweroff_vitis():
 
     with prefix(f"cd {ci_env['GITHUB_WORKSPACE']}"):
         run("./build-setup.sh --skip-validate")
-        with prefix('source sourceme-f1-manager.sh'):
+        with prefix('source sourceme-f1-manager.sh --skip-ssh-setup'):
             # avoid logging excessive amounts to prevent GH-A masking secrets (which slows down log output)
             with prefix('cd sw/firesim-software'):
                 run("./init-submodules.sh")