Chore: Fix link rendering and remove unused link

Author: amotl

docs/integrate/apache-flink/index.md

@@ -129,9 +129,10 @@ JdbcSink.sink(
 
 :::{rubric} Development
 :::
+:::{div}
 - [Executable stack with Apache Kafka, Apache Flink, and CrateDB] (Java)
 - [Streaming data with Apache Kafka, Apache Flink and CrateDB] (Python)
-
+:::
 
 :::{rubric} Webinars
 :::

docs/integrate/grafana/index.md

@@ -63,4 +63,3 @@ learn
 [Grafana Cloud]: https://grafana.com/grafana/
 [Grafana Labs]: https://grafana.com/about/team/
 [Grafana OSS]: https://grafana.com/oss/grafana/
-[Using Grafana with CrateDB Cloud]: #integrations-grafana