Update CICD to move label deletion to Jenkinsfile

[BruceKropp-Raytheon]

Commit Queue Requirements:

• Fill out all sections of this template.
• All sub component pull requests have been reviewed by their code managers.
• Run the full Intel+GNU RT suite (compared to current baselines) on either Hera/Derecho/Hercules
• Commit 'test_changes.list' from previous step

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Description:

API call to github from code requires a credential token, which is only known within Jenkinsfile.
So moving the API call that removes a test label out of the post script and into Jenkinsfile.

Commit Message:

Update CICD to move label deletion to Jenkinsfile

* UFSWM - CI only

Priority:

• Normal

Git Tracking

• None

Sub component Pull Requests:

• None

UFSWM Blocking Dependencies:

• None

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Changes

Regression Test Changes (Please commit test_changes.list):

• No Baseline Changes.

Input data Changes:

• None.

Library Changes/Upgrades:

• No Updates

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Testing Log:

• RDHPCS
  • Hera
  • Orion
  • Hercules
  • Jet
  • GaeaC5
  • GaeaC6
  • Derecho
• WCOSS2
  • Dogwood/Cactus
  • Acorn
• CI
• opnReqTest (complete task if unnecessary)