remove --verbose flag from scratch fbc building task

[acornett21]

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Motivation

This --verbose flag seems to just be left over developer logic. This extra flag doesn't seem to yield any value for partners or support, since it's just logging encoded json of the FBC yaml. The issue with this logging is that it blocks partners that have operators with multiple CRD's/resources in their bundle from being able to update their logs to our pipeline. This in tern means there is a failure/error in their CI that calls this CI pipeline.

We still get the necessary info to support failures in this task without this flag, see the below log output

[build-fbc-scratch-catalog : build-fbc-catalog] + EXTRA_ARGS=
[build-fbc-scratch-catalog : build-fbc-catalog] + [[ true == \t\r\u\e ]]
[build-fbc-scratch-catalog : build-fbc-catalog] + DOCKERCONFIGJSON=/workspace/credentials/.dockerconfigjson
[build-fbc-scratch-catalog : build-fbc-catalog] + EXTRA_ARGS+=' --authfile /workspace/credentials/.dockerconfigjson'
[build-fbc-scratch-catalog : build-fbc-catalog] + export REGISTRY_AUTH_FILE=/workspace/credentials/.dockerconfigjson
[build-fbc-scratch-catalog : build-fbc-catalog] + REGISTRY_AUTH_FILE=/workspace/credentials/.dockerconfigjson
[build-fbc-scratch-catalog : build-fbc-catalog] + CATALOG_REPO=quay.io/acornett/simple-demo-operator-index:v4.21-v0.0.8
[build-fbc-scratch-catalog : build-fbc-catalog] + build-scratch-catalog --repo-path . --operator-name simple-demo-operator --bundle-version v0.0.8 --bundle-pullspec quay.io/acornett/simple-demo-operator-bundle:v0.0.8 --repository-destination quay.io/acornett/simple-demo-operator-index:v4.21-v0.0.8 --authfile /workspace/credentials/.dockerconfigjson
[build-fbc-scratch-catalog : build-fbc-catalog] 2026-01-19 21:48:52,796 [operator-cert] INFO Building image: quay.io/acornett/simple-demo-operator-index:v4.21-v0.0.8
[build-fbc-scratch-catalog : build-fbc-catalog] 2026-01-19 21:49:01,272 [operator-cert] INFO Pushing image: quay.io/acornett/simple-demo-operator-index:v4.21-v0.0.8