Update skipped job page

What does this MR do and why?

• Removes empty sidebar section on skipped jobs
• Reduce top margin on empty state illustration
• Remove block margin, make vertical padding even

Depends on Job page: restructre page (!130317 - merged)

Screenshots or screen recordings

Before	After

How to set up and validate locally

Go to a skipped job

UX Paper Cuts 16.4 → Pipelines and Jobs (#408231 - closed)