fix(docs)bad-links (supabase#41489)

* fix(docs)bad-links

These links are not routing correctly. It was also discussed that such a UI feature in docs should be discussed an implemented in way that could be scaled out more anyway.

* Prettier

---------

Co-authored-by: Chris Chinchilla <chris.ward@supabase.io>

Author: smeubank

apps/docs/content/guides/telemetry/metrics/grafana-cloud.mdx

@@ -59,5 +59,3 @@ The [`docs/example-alerts.md`](https://github.com/supabase/supabase-grafana/blob
 - Metrics missing? Ensure the Grafana Cloud agent can reach `https://<project-ref>.supabase.co` and that the selected service role key is still valid.
 - 401 errors? Rotate the service role key from the [API settings page](/dashboard/project/_/settings/api-keys) and update the Grafana Cloud credentials.
 - Long scrape durations? Reduce label cardinality in your Grafana queries or lower the time range to focus on recent data.
-
-[← Back to the Metrics API landing](/guides/telemetry/metrics)

apps/docs/content/guides/telemetry/metrics/grafana-self-hosted.mdx

@@ -80,5 +80,3 @@ You now have over 200 production-ready panels covering CPU, IO, WAL, replication
 - **Multiple projects:** add one scrape job per project ref so you can separate metrics and labels cleanly.
 - **Right-sizing guidance:** pair the dashboards with Supabase’s [Query Performance report](/dashboard/project/_/observability/query-performance) and [Advisors](/dashboard/project/_/observability/database) to decide when to optimize vs upgrade.
 - **Security:** rotate the service role key on a regular cadence and update the Prometheus config accordingly.
-
-[← Back to the Metrics API landing](/guides/telemetry/metrics)

apps/docs/content/guides/telemetry/metrics/vendor-agnostic.mdx

@@ -68,5 +68,3 @@ No matter which collector you use, you need to hit the Metrics API once per minu
 - Create one scrape job per project ref so you can control sampling individually.
 - If you run many projects, consider templating the scrape jobs via Helm, Terraform, or the Grafana Agent Operator.
 - Use label joins (`project`, `instance_class`, `org`) to aggregate across tenants or environments.
-
-[← Back to the Metrics API landing](/guides/telemetry/metrics)