message: docs: remove old viz plugin docs
diff: @@ -38,7 +38,7 @@ execute queries that scan through terabytes in an interactive fashion.
  ### How do I create my own visualization?
  We recommend reading the instructions in
  -[Building Custom Viz Plugins](/docs/installation/building-custom-viz-plugins).
  +[Creating Visualization Plugins](/docs/contributing/creating-viz-plugins).
  ### Can I upload and visualize CSV data?
  