chore: Remove ESM build

Author: nickmessing

packages/babel-preset-jsx/package.json

@@ -3,7 +3,6 @@
   "version": "0.1.0",
   "description": "Babel preset for Vue JSX",
   "main": "dist/plugin.cjs.js",
-  "module": "dist/plugin.js",
   "repository": "https://github.com/vuejs/jsx/tree/master/packages/babel-sugar-event-modifiers",
   "author": "Nick Messing <[email protected]>",
   "license": "MIT",

packages/babel-preset-jsx/rollup.config.js

@@ -8,9 +8,5 @@ export default {
       file: 'dist/plugin.cjs.js',
       format: 'cjs',
     },
-    {
-      file: 'dist/plugin.js',
-      format: 'esm',
-    },
   ],
 }