Remove the reference to WMS in Power BI Azure Maps visual

Author: AJ Hsu

articles/azure-maps/power-bi-visual-add-tile-layer.md

@@ -40,7 +40,7 @@ There are three different tile service naming conventions supported by the Azure
 
 * **X, Y, Zoom notation** - X is the column, Y is the row position of the tile in the tile grid, and the Zoom notation a value based on the zoom level.
 * **Quadkey notation** - Combines x, y, and zoom information into a single string value. This string value becomes a unique identifier for a single tile.
-* **Bounding Box** - Specify an image in the Bounding box coordinates format: `{west},{south},{east},{north}`. This format is commonly used by [Web Mapping Services (WMS)].
+* **Bounding Box** - Specify an image in the Bounding box coordinates format: `{west},{south},{east},{north}`.
 
 The tile URL an https URL to a tile URL template that uses the following
 parameters:
@@ -66,7 +66,6 @@ Add more context to the map:
 > [!div class="nextstepaction"]
 > [Show real-time traffic]
 
-[Web Mapping Services (WMS)]: https://www.opengeospatial.org/standards/wms
 [Show real-time traffic]: power-bi-visual-show-real-time-traffic.md
 [Zoom levels and tile grid]: zoom-levels-and-tile-grid.md
 [weather radar tile service]: /rest/api/maps/render-v2/get-map-tile