Remove ifversion 'actions-job-summaries' feature (#51369)

Author: Peter Bengtsson

content/actions/using-workflows/workflow-commands-for-github-actions.md

@@ -813,8 +813,6 @@ This example demonstrates how to set the `SELECTED_COLOR` output parameter and l
 
 {% endpowershell %}
 
-{% ifversion actions-job-summaries %}
-
 ## Adding a job summary
 
 {% bash %}
@@ -955,8 +953,6 @@ After a step has completed, job summaries are uploaded and subsequent steps cann
 
 Job summaries are isolated between steps and each step is restricted to a maximum size of 1MiB. Isolation is enforced between steps so that potentially malformed Markdown from a single step cannot break Markdown rendering for subsequent steps. If more than 1MiB of content is added for a step, then the upload for the step will fail and an error annotation will be created. Upload failures for job summaries do not affect the overall status of a step or a job. A maximum of 20 job summaries from steps are displayed per job.
 
-{% endif %}
-
 ## Adding a system path
 
 Prepends a directory to the system `PATH` variable and automatically makes it available to all subsequent actions in the current job; the currently running action cannot access the updated path variable. To see the currently defined paths for your job, you can use `echo "$PATH"` in a step or an action.