revert: "feat: Make possible to provide image as a secret" #4646

Job	Run time
build-continue-invalid-subjects / detect-env	10s
build / detect-env	6s
build-continue-no-error / detect-env	3s
build-continue-no-error / generator	1m 32s
build / generator	1m 27s
build-continue-invalid-subjects / generator	1m 29s
build / upload-assets	0s
build / final	1s
build-continue-no-error / upload-assets	0s
build-continue-no-error / final	1s
verify generic provenance	4s
build-continue-invalid-subjects / upload-assets	0s
build-continue-invalid-subjects / final	1s
verify generic provenance (continue-on-error)	3s
verify generic provenance (continue-on-error invalid subjects)	7s
	5m 4s

Provide feedback