update: remove babel (no jsx used anymore)

.babelrc

@@ -1,5 +0,0 @@
-{
-  "plugins": [
-    "@vue/babel-plugin-jsx"
-  ]
-}

rollup.ts

@@ -3,13 +3,11 @@ import { terser } from 'rollup-plugin-terser'
 import dts from 'rollup-plugin-dts'
 import commonjs from '@rollup/plugin-commonjs'
 import resolve from '@rollup/plugin-node-resolve'
-import { babel } from '@rollup/plugin-babel'
 import replace from '@rollup/plugin-replace'
 // @ts-ignore
 import svg from 'rollup-plugin-svg'
 import postcss from 'rollup-plugin-postcss'
 // @ts-ignore
-import { DEFAULT_EXTENSIONS as DEFAULT_BABEL_EXTENSIONS } from '@babel/core'
 
 import pkg from './package.json'
 
@@ -90,11 +88,6 @@ for (const { external, iife } of activePackages) {
           minimize: true,
         }),
         commonjs({ include: 'node_modules/**' }),
-        babel({
-          extensions: [...DEFAULT_BABEL_EXTENSIONS, '.ts'],
-          exclude: 'node_modules/**',
-          babelHelpers: 'bundled',
-        }),
         replace({
           __REACT_FLOW_VERSION__: JSON.stringify(pkg.version),
           preventAssignment: true,