Revert "Add bun export" (#2354)

This reverts commit 83b32f7ef4.

index.ts

@@ -1,53 +0,0 @@
-/*
- * Licensed to Elasticsearch B.V. under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch B.V. licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import {
-  Diagnostic,
-  Transport,
-  WeightedConnectionPool,
-  ClusterConnectionPool,
-  BaseConnectionPool,
-  CloudConnectionPool,
-  BaseConnection,
-  HttpConnection,
-  UndiciConnection,
-  Serializer,
-  errors,
-  events
-} from '@elastic/transport'
-
-import Client from './src/client'
-import SniffingTransport from './src/sniffingTransport'
-
-export {
-  Client,
-  SniffingTransport,
-  Diagnostic,
-  Transport,
-  WeightedConnectionPool,
-  ClusterConnectionPool,
-  BaseConnectionPool,
-  CloudConnectionPool,
-  BaseConnection,
-  HttpConnection,
-  UndiciConnection,
-  Serializer,
-  errors,
-  events
-}

package.json

@@ -6,8 +6,7 @@
   "main": "./index.js",
   "types": "index.d.ts",
   "exports": {
-    "require": "./index.js",
-    "bun": "./index.ts"
+    "require": "./index.js"
   },
   "scripts": {
     "test": "npm run build && npm run lint && tap test/unit/{*,**/*}.test.ts",