refactor(x/blobstream): remove unnecessary code #2444

Job	Run time
branch_name	1s
goreleaser-check	4s
lint / golangci-lint	2m 15s
lint / yamllint	9s
markdown-linter / markdown-link-check	2m 17s
markdown-linter / markdown-lint	8s
test / test-short	2m 38s
test / test	15m 46s
test / test-coverage	5m 5s
test / test-race	8m 59s
lint / hadolint / hadolint	8s
version_bump	6s
goreleaser	0s
	37m 36s

Provide feedback