Remove redundant stylelint rules

We already have the following rules in out Stylelint config:
- max-nesting-depth
- selector-max-compound-selectors
- declaration-block-no-duplicate-properties
- no-eol-whitespace

.stylelintrc

@@ -13,27 +13,6 @@
       "./scripts/frontend/stylelint/stylelint-utility-classes.js",
    ],
    "rules":{
-      "at-rule-disallowed-list": ["extend"],
-      "max-nesting-depth": [
-         3,
-         {
-            "ignoreAtRules":[
-               "each",
-               "media",
-               "supports",
-               "include"
-            ],
-            "severity":"warning"
-         }
-      ],
-      "selector-max-compound-selectors":[3, { "severity": "warning" }],
       "stylelint-gitlab/utility-classes":[true,{ "severity": "warning" }],
-      "declaration-block-no-duplicate-properties": [
-        true,
-        {
-          "ignore": ["consecutive-duplicates"]
-        }
-      ],
-      "no-eol-whitespace": true,
    }
 }