other core fabric dependencies

[davidkhala]

• common/util/utils.go#func ConcatenateBytes

• common/crypto/random.go

  • func ComputeSHA256 and ComputeSHA3256 have dependency on bccsp. Then they are excluded.

[davidkhala]

removed tests due to deep dependency

Due to using configtxtest.MakeGenesisBlock

• blockutils_test.go#TestGetBlockFromBlockBytes
• blockutils_test.go#TestGetChannelIDFromBlock
• blockutils_test.go#TestGetChannelIDFromBlockBytes