Revert "fix(wallet): add delay to address and utxo calls"

This reverts commit d9774c1.

src/block_explorer.js

@@ -2,11 +2,6 @@ import axios from "axios";
 import BigNumber from "bignumber.js";
 import { satoshisToBitcoins, blockExplorerAPIURL } from "unchained-bitcoin";
 
-// FIXME: hack
-const delay = () => {
-  return new Promise((resolve) => setTimeout(resolve, 500));
-};
-
 /**
  * Fetch information for signing transactions from block explorer API
  * @param {string} address - The address from which to obtain the information
@@ -22,9 +17,6 @@ export async function blockExplorerGetAddresesUTXOs(address, network) {
     return await Promise.all(
       utxos.map(async (utxo) => {
         // FIXME: inefficient, need to cache here by utxo.txid
-        // FIXME: delay hack to prevent throttling
-        await delay();
-
         const transactionResult = await axios.get(
           blockExplorerAPIURL(`/tx/${utxo.txid}/hex`, network)
         );
@@ -48,9 +40,6 @@ export async function blockExplorerGetAddresesUTXOs(address, network) {
 
 export async function blockExplorerGetAddressStatus(address, network) {
   try {
-    // FIXME: delay hack to prevent throttling
-    await delay();
-
     const addressesult = await axios.get(
       blockExplorerAPIURL(`/address/${address}`, network)
     );