refactor(vue): only ship es modules (#26054)

resolves #25104

BREAKING CHANGE:

`@ionic/vue` and `@ionic/vue-router` no longer ship a CommonJS entry point. Instead, only an ES Module entry point is provided for improved compatibility with Vite.

packages/vue-router/package.json

@@ -14,7 +14,6 @@
     "sync": "sh ./scripts/sync.sh"
   },
   "main": "./dist/index.js",
-  "module": "./dist/index.esm.js",
   "types": "./dist/types/index.d.ts",
   "files": [
     "dist/"

packages/vue-router/rollup.config.js

@@ -1,14 +1,9 @@
 export default {
   input: 'dist-transpiled/index.js',
   output: [
-    {
-      file: 'dist/index.esm.js',
-      format: 'es',
-      sourcemap: true,
-    },
     {
       file: 'dist/index.js',
-      format: 'commonjs',
+      format: 'es',
       sourcemap: true,
     }
   ],