remove helm-requirements because we're not using helmv2

renovate.json

@@ -38,7 +38,7 @@
       },
       {
         "description": "Bump helm chart versions by a patch when updating values files. Digests, pins, rollbacks, replacements and pinDigest updates are deliberately ignored since in our use case, these need a manual decision about the version bump for the chart. This can be removed when https://github.com/renovatebot/renovate/issues/8231 is implemented and enabled.",
-        "matchManagers": ["helm-values", "regex", "helm-requirements"],
+        "matchManagers": ["helm-values", "regex"],
         "postUpgradeTasks": {
           "commands": [
             "bash scripts/bump-chart-version.sh '{{{parentDir}}}' '{{{updateType}}}'"