Revert "test with es6"

This reverts commit 333ee76.

Author: wing328

bin/configs/typescript-fetch-with-npm-version.yaml

@@ -8,4 +8,3 @@ additionalProperties:
   npmRepository: https://skimdb.npmjs.com/registry
   snapshot: false
   ignoreDeprecations: true
-  supportsES6: true

samples/client/petstore/typescript-fetch/builds/with-npm-version/.openapi-generator/FILES

@@ -24,5 +24,4 @@ src/models/Tag.ts
 src/models/User.ts
 src/models/index.ts
 src/runtime.ts
-tsconfig.esm.json
 tsconfig.json

samples/client/petstore/typescript-fetch/builds/with-npm-version/package.json

@@ -9,10 +9,8 @@
   },
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
-  "module": "./dist/esm/index.js",
-  "sideEffects": false,
   "scripts": {
-    "build": "tsc && tsc -p tsconfig.esm.json",
+    "build": "tsc",
     "prepare": "npm run build"
   },
   "devDependencies": {

samples/client/petstore/typescript-fetch/builds/with-npm-version/tsconfig.esm.json

@@ -1,11 +1,15 @@
 {
   "compilerOptions": {
     "declaration": true,
-    "target": "es6",
-    "ignoreDeprecations": "6.0",
+    "target": "es5",
+    "ignoreDeprecations": "5.0",
     "module": "commonjs",
     "moduleResolution": "node",
     "outDir": "dist",
+    "lib": [
+      "es6",
+      "dom"
+    ],
     "typeRoots": [
       "node_modules/@types"
     ]