config-loader: remove deprecated env check

packages/config-loader/src/loader.ts

@@ -32,8 +32,8 @@ export type LoadConfigOptions = {
   // Absolute paths to load config files from. Configs from earlier paths have lower priority.
   configPaths: string[];
 
-  // TODO(Rugvip): This will be removed in the future, but for now we use it to warn about possible mistakes.
-  env: string;
+  /** @deprecated This option has been removed */
+  env?: string;
 };
 
 export async function loadConfig(
@@ -52,16 +52,6 @@ export async function loadConfig(
     if (await fs.pathExists(localConfig)) {
       configPaths.push(localConfig);
     }
-
-    const envFile = `app-config.${options.env}.yaml`;
-    if (await fs.pathExists(resolvePath(configRoot, envFile))) {
-      console.error(
-        `Env config file '${envFile}' is not loaded as APP_ENV and NODE_ENV-based config loading has been removed`,
-      );
-      console.error(
-        `To load the config file, use --config <path>, listing every config file that you want to load`,
-      );
-    }
   }
 
   const env = async (name: string) => process.env[name];