SAA drop type and task queue

[dandavison]

What was changed

Drop execution type and task queue from start standalone activity output

Why?

They are not currently guaranteed correct in the conflictPolicy=UseExisting case

Testing

$ temporal activity start --start-to-close-timeout 1s --task-queue hello-standalone-activity-task-queue --type compose_greeting --activity-id act-1 --input '{"greeting": "mygreeting", "name": "myname"}'
Running execution:
  ActivityId  act-1
  RunId       019cd407-83cc-7c8e-ba17-5a3125e4e7cd
  Namespace   default
$ temporal activity result -a act-1
Results:
  Status  COMPLETED
  Result  "mygreeting, myname!"
$ temporal activity start --start-to-close-timeout 1s --task-queue hello-standalone-activity-task-queue --type compose_greeting --activity-id act-2 -o json --input '{"greeting": "mygreeting", "name": "myname"}'
{
  "activityId": "act-2",
  "runId": "019cd408-38a3-7e15-8b36-58f966f156de",
  "namespace": "default"
}