TestBlockByNumberAndHash - Remove Goerli

[stefanalfbo]

This is a sub-task to the issue #1758 that concerns the TestBlockByNumberAndHash-test. The test is using the Goerli network that is deprecated and therefore needs to be updated to use the Sepolia network instead.

[stefanalfbo]

Could I ask you to review this one too, @kirugan? Thanks in advance!