fix: remove un and pwd from aca job deployment

Author: ibersanoMS

.github/workflows/deploy-runners-standalone-container-apps.yml

@@ -187,8 +187,6 @@ jobs:
                 --replica-retry-limit 1 \
                 --replica-completion-count 1 \
                 --parallelism 1 \
-                --registry-username ${{ needs.create-container-apps-environment.outputs.acrName }} \
-                --registry-password ${{ secrets.ACR_PWD }} \
                 --image "${{ needs.create-container-apps-environment.outputs.acrName }}.azurecr.io/core:2.0" \
                 --min-executions 0 \
                 --max-executions 10 \