Proto nits

[seantking]

Summary of Issue

• Nit: Protos - spacing between package, imports, option
• Nit: rename receive_fee to recv_fee in IdentifiedPacketFee
• Nit: in proto definition for MsgRegisterCounterpartyAddress, the definition comment has “counter party”, but this should be one word “counterparty”

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For Admin Use

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• Appropriate labels applied
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[colin-axner]

I'd prefer the second nit to have its own pr

[seantking]

Cool :) Happy to see someone else wants to split up the work as small as possible. I have the work done already as part of this PR though -> #739

[gjermundgaraba]

This issue was mistakenly reopened during some integration work, so closing again now.