Removing COSIGN creds

Author: hwindlas

.github/workflows/virtual-integration.yml

@@ -868,8 +868,6 @@ jobs:
       run_version_tag: false
     secrets:
       SYS_ORCH_GITHUB: ${{ secrets.SYS_ORCH_GITHUB }}
-      COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
-      COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
       NO_AUTH_ECR_PUSH_USERNAME: ${{ secrets.NO_AUTH_ECR_PUSH_USERNAME }}
       NO_AUTH_ECR_PUSH_PASSWD: ${{ secrets.NO_AUTH_ECR_PUSH_PASSWD }}
       MSTEAMS_WEBHOOK: ${{ secrets.TEAMS_WEBHOOK }}