[ipfs/go-bitswap] rewrite the wantlist to generally be less contentious

[BigLep]

Done Criteria

???

Why Important

This has shown to be the root of multiple ipfs.io gateway availability issues.

Notes

This is different than
#81
ipfs/go-bitswap#547

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[gammazero]

Closing because there is not enough information about what is being asked for here.