feat: update postcss config

config/template-languages/css-config.js

@@ -1,33 +0,0 @@
-// CSS and JavaScript as first-class citizens in Eleventy: https://pepelsbey.dev/articles/eleventy-css-js/
-
-const postcss = require("postcss");
-const postcssImport = require("postcss-import");
-const postcssImportExtGlob = require("postcss-import-ext-glob");
-const autoprefixer = require("autoprefixer");
-const cssnano = require("cssnano");
-
-module.exports = (eleventyConfig) => {
-  eleventyConfig.addTemplateFormats("css");
-
-  eleventyConfig.addExtension("css", {
-    outputFileExtension: "css",
-    compile: async (content, path) => {
-      if (path !== "./src/assets/css/global.css") {
-        return;
-      }
-
-      return async () => {
-        let output = await postcss([
-          postcssImportExtGlob,
-          postcssImport,
-          autoprefixer,
-          cssnano,
-        ]).process(content, {
-          from: path,
-        });
-
-        return output.css;
-      };
-    },
-  });
-};