Remove 'fs' dependency
Remove 'fs' dependency

Ref: https://www.npmjs.com/package/fs
dabura667/copay,cmgustavo/copay,bitchk-wallet/copay,ObsidianCryptoVault/copay,Bitcoin-com/Wallet,ObsidianCryptoVault/copay,Kirvx/copay,ajp8164/copay,fr34k8/copay,cobit-wallet/cobit,dabura667/copay,gabrielbazan7/copay,ajp8164/copay,bitjson/copay,Groestlcoin/GroestlPay,msalcala11/copay,msalcala11/copay,janko33bd/copay,cobit-wallet/cobit,cobit-wallet/cobit,Bitcoin-com/Wallet,ObsidianCryptoVault/copay,matiu/copay,ajp8164/copay,hideoussquid/aur-copay,gabrielbazan7/copay,hideoussquid/aur-copay,janko33bd/copay,gabrielbazan7/copay,ObsidianCryptoVault/copay,bitchk-wallet/copay,cmgustavo/copay,bitchk-wallet/copay,gabrielbazan7/copay,bitjson/copay,Kirvx/copay,Bitcoin-com/Wallet,Kirvx/copay,matiu/copay,hideoussquid/aur-copay,fr34k8/copay,msalcala11/copay,matiu/copay,fr34k8/copay,dabura667/copay,cmgustavo/copay,Groestlcoin/GroestlPay,hideoussquid/aur-copay,fr34k8/copay,Groestlcoin/GroestlPay,janko33bd/copay,cmgustavo/copay,matiu/copay,bitjson/copay,bitjson/copay,msalcala11/copay,Bitcoin-com/Wallet,Kirvx/copay,Groestlcoin/GroestlPay