build: removes usage of postcss-color-function

Author: iOvergaard

packages/uui-css/package.json

@@ -34,9 +34,8 @@
   },
   "scripts": {
     "build": "npm run build:cssprops && tsc --build && rollup -c rollup.config.js",
-    "build:cssprops": "npm run postcss:convert && npm run postcss:colors && npm run custom-properties-cache",
+    "build:cssprops": "npm run postcss:convert && npm run custom-properties-cache",
     "postcss:convert": "postcss lib/custom-properties.css -o dist/custom-properties.css",
-    "postcss:colors": "postcss dist/custom-properties.css -u postcss-color-function -o dist/custom-properties.css",
     "clean": "tsc --build --clean && rimraf -g dist lib/*.js lib/**/*.js *.tgz lib/**/*.d.ts custom-elements.json custom-properties.*",
     "analyze": "web-component-analyzer **/*.element.ts --outFile custom-elements.json",
     "custom-properties-cache": "node ./scripts/update-custom-properties-cache.js"

packages/uui-css/postcss.config.cjs

@@ -2,7 +2,6 @@
 const config = {
   plugins: [
     require('postcss-advanced-variables'),
-    require('postcss-color-function'),
     require('postcss-url'),
     require('autoprefixer'),
   ],

postcss.config.js

@@ -2,7 +2,6 @@ module.exports = () => {
   return {
     plugins: {
       'postcss-advanced-variables': {},
-      'postcss-color-function': {},
     },
   };
 };