Update calculateGasPrice to fetch from config

[dasanra]

This fixes #1514

We are ignoring provided gasPrice or gasPriceOracleUrl from configuration and just using ethgasstation estimation

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Type	Occurrences	Fixable
Errors	0	0
Warnings	6	0
Ignored	5	N/A

• Result: ✅ success

• Annotations: 6 total

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[warning] @typescript-eslint/explicit-module-boundary-types

Require explicit return and argument types on exported functions' and classes' public class methods

• src/logic/wallets/ethTransactions.ts Line 10 - Missing return type on function.
• src/logic/wallets/ethTransactions.ts Line 10 - Argument 'hash' should be typed.
• src/logic/wallets/ethTransactions.ts Line 64 - Missing return type on function.
• src/logic/wallets/ethTransactions.ts Line 64 - Argument 'data' should be typed.
• src/logic/wallets/ethTransactions.ts Line 64 - Argument 'from' should be typed.
• src/logic/wallets/ethTransactions.ts Line 64 - Argument 'to' should be typed.

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^{Report generated by eslint-plus-action}

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