[Genesis] BetaTestNet -> MainNet Genesis File Improvements & TechDebt

[Olshansk]

Objective

Tend to post Beta Genesis file improvements

Origin Document

Follow up to adding the beta testnet genesis: pokt-network/pocket-network-genesis#8

Goals

• Tend to TechDebt from the beta genesis file
• Improve the genesis file in preparation for MainNet

Deliverables

• Replace everything in the codebase named poktroll with pocket
• Understand why we have applicationList and application_list in the genesis file and (most likely) remove the former. See this thread.
  
• Move away from keyring-backend=test. this thread
  

Non-goals / Non-deliverables

• Create a new beta genesis file

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Creator: @Olshansk
Co-Owners: @okdas