Fixes redudant script failure message

What does this MR do?

Removes redundant error message for script failures on the Job page

Why was this MR needed?

Script failure message was redundant and it didn't bring any new information, so it was removed. Also 'check your job log' message was removed too.

Screenshots (if relevant)

Job with a script failure

Job with a stuck failure

Job with a dependency failure

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• Conform by the code review guidelines
  • Has been reviewed by a UX Designer
  • Has been reviewed by a Frontend maintainer
  • Has been reviewed by a Backend maintainer
• Conform by the merge request performance guides
• Conform by the style guides
• If you have multiple commits, please combine them into a few logically organized commits by squashing them
• Internationalization required/considered
• End-to-end tests pass (package-and-qa manual pipeline job)

What are the relevant issue numbers?

Closes #46552 (closed)