docs: remove duplicated title

Signed-off-by: chlorine <nicksonlvqq@gmail.com>

docs/sources/get-started/quick-start.md

@@ -326,9 +326,9 @@ You have completed the Loki Quickstart demo. So where to go next?
 {{< docs/ignore >}}
 ## Back to docs
 Head back to where you started from to continue with the Loki documentation: [Loki documentation](https://grafana.com/docs/loki/latest/get-started/quick-start/).
-{{< /docs/ignore >}}
 
 ## Complete metrics, logs, traces, and profiling example
+{{< /docs/ignore >}}
 If you would like to run a demonstration environment that includes Mimir, Loki, Tempo, and Grafana, you can use [Introduction to Metrics, Logs, Traces, and Profiling in Grafana](https://github.com/grafana/intro-to-mlt).
 It's a self-contained environment for learning about Mimir, Loki, Tempo, and Grafana.