[REF] ScheduledJob cleanup, remove unused var

[colemanw]

Overview

Does some minor cleanup to the ScheduledJob class, removing an unused function param.

Technical Details

Aside from removing the unused param, the rest is just whitespace & comment cleanup.

[civibot]

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[demeritcowboy]

• General standards
  • [r-explain] PASS
    • grep shows only one use with no param: CRM/Core/JobManager.php: $job->saveLastRun();
  • [r-user] PASS
  • [r-doc] PASS
  • [r-run] PASS
    • Running job.execute works as expected and updates the last run. No obvious problems.
• Developer standards
  • [r-tech] PASS
  • [r-code] PASS
  • [r-maint] N/A
  • [r-test] PASS
    • Failing test is failing regularly lately.

[colemanw]

Thanks @demeritcowboy