Log appended into genesis export

[sainoe]

Summary of Bug

The genesis export is getting weirdly corrupted by a bypass-fee-msg log in app.go.
After removing the line printing the log the genesis export works as expected.

Version

The bug occurs only using v9.0.2 and was introduced by PR #2092. It can be reproduced on a running Gaia instance using the command below.

$ gaiad export --height 20 2> export-test3.json
provider@e-baryon-test:~$ head export-test3.json 
9:52AM INF min fee bypass activated for message types types=["/ibc.core.channel.v1.MsgRecvPacket","/ibc.core.channel.v1.MsgAcknowledgement","/ibc.core.client.v1.MsgUpdateClient"]

credits @dasanchez

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For Admin Use

• Not duplicate issue
• Appropriate labels applied
• Appropriate contributors tagged
• Contributor assigned/self-assigned
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[sainoe]

@MSalopek Do you have more info about the intention of this log?