Move the METASWAP_API_HOST constant to the swaps constant file (#10612)

ui/app/helpers/constants/swaps.js

@@ -21,3 +21,5 @@ export const DEFAULT_ERC20_APPROVE_GAS = '0x1d4c0';
 
 export const SWAPS_CONTRACT_ADDRESS =
   '0x881d40237659c251811cec9c364ef91dc08d300c';
+
+export const METASWAP_API_HOST = 'https://api.metaswap.codefi.network';

ui/app/pages/swaps/swaps.util.js

@@ -2,7 +2,10 @@ import log from 'loglevel';
 import BigNumber from 'bignumber.js';
 import abi from 'human-standard-token-abi';
 import { isValidAddress } from 'ethereumjs-util';
-import { ETH_SWAPS_TOKEN_OBJECT } from '../../helpers/constants/swaps';
+import {
+  ETH_SWAPS_TOKEN_OBJECT,
+  METASWAP_API_HOST,
+} from '../../helpers/constants/swaps';
 import {
   calcTokenValue,
   calcTokenAmount,
@@ -27,8 +30,6 @@ const TOKEN_TRANSFER_LOG_TOPIC_HASH =
 
 const CACHE_REFRESH_ONE_HOUR = 3600000;
 
-const METASWAP_API_HOST = 'https://api.metaswap.codefi.network';
-
 const getBaseApi = function (type) {
   switch (type) {
     case 'trade':