[aws|compute] don't kill auth errors in setup

lib/fog/aws/models/compute/server.rb

@@ -167,7 +167,7 @@ module Fog
               Timeout::timeout(4) do
                 Fog::SSH.new(ip_address, username, credentials).run(commands)
               end
-            rescue Net::SSH::AuthenticationFailed, Timeout::Error
+            rescue Timeout::Error
               retry
             end
           end