Update EIP-1474: Update eip-1474.md Fixing the net_version usage example (adding missed comma and deleting the excess onse)

[Ro4mer]

Adding some commas to the net_version usage example

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[eth-bot]

File EIPS/eip-1474.md

Requires 1 more reviewers from @rekmarks
Requires 1 more reviewers from @axic, @lightclient, @SamWilsn

[github-actions]

The commit 1409208 (as a parent of c259693) contains errors.
Please inspect the Run Summary for details.