remove unused vars

packages/builder/src/utils/chains.ts

@@ -119,17 +119,9 @@ export function getEnabledChainsAndProviders() {
       ? chainsOverride.split(",").map((name) => name.trim())
       : [];
 
-  let usingDevOnlyChains = true;
-
   if (selectedChainsNames.length > 0) {
     // if REACT_APP_CHAINS_OVERRIDE is specified we use those
     selectedChainsNames.forEach((name) => {
-      // if it's not a local dev chain, it means we are using external
-      // chains and we need infura/alchemy ids to be set
-      if (!/^dev[1-9]+$/.test(name)) {
-        usingDevOnlyChains = false;
-      }
-
       const chain = availableChains[name];
       if (chain === undefined) {
         throw new Error(
@@ -142,12 +134,10 @@ export function getEnabledChainsAndProviders() {
   } else if (config.appEnv === "production") {
     // if REACT_APP_CHAINS_OVERRIDE is not specified  ans we are in production
     // we use the default chains for production environments
-    usingDevOnlyChains = false;
     chains.push(...productionChains);
   } else {
     // if REACT_APP_CHAINS_OVERRIDE is not specified we use the
     // default chains for staging
-    usingDevOnlyChains = false;
     chains.push(...stagingChains);
   }