Walletconnect integration and crypto refactor

• Implement a wallet connect context and hook based on Elio's MR !1034 (merged)
• Refactor the crypto implementation to use wallet connect and remove old eth wallet implementation (using typescript)
• Remove unused packages and clean up the code
• Remove the recurring option for on-chain wires
• Fix pay screen to better match designs
• Implement a legacy wallet exporter
• Test changes against rinkeby
• Fix tests

Test

• on-chain and off-chain wires
• on-chain and off-chain boosts
• withdraw

closes #3040 #3038 (closed) #2698 (closed)