Revert "[v10.0.x] [feat] docs; update admonition syntax" (#68980)

Revert "[v10.0.x] [feat] docs; update admonition syntax (#68857)"

This reverts commit 1e8c28eff4.

docs/sources/panels-visualizations/visualizations/time-series/index.md

@@ -34,9 +34,7 @@ weight: 90
 
 The time series visualization type is the default and primary way to visualize time series data as a graph. It can render series as lines, points, or bars. It is versatile enough to display almost any time-series data. [This public demo dashboard](https://play.grafana.org/d/000000016/1-time-series-graphs?orgId=1) contains many different examples of how it can be configured and styled.
 
-{{% admonition type="note" %}}
-You can migrate from the old Graph visualization to the new Time series visualization. To migrate, open the panel and click the **Migrate** button in the side pane.
-{{% /admonition %}}
+> **Note:** You can migrate from the old Graph visualization to the new Time series visualization. To migrate, open the panel and click the **Migrate** button in the side pane.
 
 ## Tooltip options
 
@@ -224,9 +222,7 @@ Use this option to transform the series values without affecting the values show
 - **Negative Y transform:** Flip the results to negative values on the Y axis.
 - **Constant:** Show the first value as a constant line.
 
-{{% admonition type="note" %}}
-The transform option is only available as an override.
-{{% /admonition %}}
+> **Note:** The transform option is only available as an override.
 
 ## Color options