Remove `Renovate` integration (#27621)

renovate.json

-{
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:base",
-    ":preserveSemverRanges"
-  ],
-  "schedule": ["every month"],
-  "prHourlyLimit": 10,
-  "prConcurrentLimit": 20,
-  "postUpdateOptions": ["yarnDedupeFewer"],
-  "labels": ["dependencies", "bot"],
-  "enabledManagers": ["npm"],
-  "packageRules": [{
-      "matchPackagePatterns": [
-        "*"
-      ],
-      "matchUpdateTypes": [
-        "minor",
-        "patch"
-      ],
-      "groupName": "all non-major dependencies",
-      "groupSlug": "all-minor-patch"
-    },
-    {
-      "matchUpdateTypes": [
-        "major"
-      ],
-      "enabled": false
-    }
-  ]
-}