Eliminate another end-to-end test.#4397

MathieuDutSik merged 2 commits intolinera-io:mainlinera-io/linera-protocol:mainfrom

MathieuDutSik:test_publish_read_data_blobMathieuDutSik/linera-protocol_second:test_publish_read_data_blobCopy head branch name to clipboard