remove csso

frontend/package-lock.json

@@ -12333,15 +12333,6 @@
         "postcss-value-parser": "^4.1.0"
       }
     },
-    "postcss-csso": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/postcss-csso/-/postcss-csso-5.0.1.tgz",
-      "integrity": "sha512-TI99uhhJK2L5IQXPuyNcT3XV9bffSvDPmNpHi5f+tBq+R/01ucgLsUCcTDcVNqKMxO28klI6NwgjrHrM99x9KA==",
-      "dev": true,
-      "requires": {
-        "csso": "^4.0.2"
-      }
-    },
     "postcss-custom-media": {
       "version": "7.0.8",
       "resolved": "https://registry.npmjs.org/postcss-custom-media/-/postcss-custom-media-7.0.8.tgz",

frontend/package.json

@@ -96,7 +96,6 @@
     "mini-css-extract-plugin": "^1.6.0",
     "npm-run-all": "^4.1.5",
     "postcss": "^8.2.14",
-    "postcss-csso": "^5.0.1",
     "postcss-loader": "^5.2.0",
     "postcss-preset-env": "^6.7.0",
     "prettier": "^2.2.1",