Remove unused postcss plugin

packages/auth/package.json

@@ -19,7 +19,6 @@
     "rollup-plugin-json": "^4.0.0",
     "rollup-plugin-multi-entry": "^2.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-postcss": "^2.0.3",
     "rollup-plugin-serve": "^1.0.1",
     "rollup-plugin-terser": "^5.1.1",
     "vpu-common": "file:./vendor/common"

packages/auth/rollup.config.js

 import path from 'path';
 import resolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
-import postcss from 'rollup-plugin-postcss';
 import copy from 'rollup-plugin-copy';
 import {terser} from "rollup-plugin-terser";
 import json from 'rollup-plugin-json';
@@ -33,11 +32,6 @@ export default {
             include: 'node_modules/**'
         }),
         json(),
-        postcss({
-            inject: false,
-            minimize: false,
-            plugins: []
-        }),
         (build !== 'local' && build !== 'test') ? terser() : false,
         copy({
             targets: [