Corrected Linguist README

Signed-off-by: Andre Wanlin <andrewanlin@gmail.com>

.changeset/weak-coats-allow.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-linguist': patch
+---
+
+Updated `README.md` to removed images with refresh button as this feature was not implemented in the current version

plugins/linguist/README.md

@@ -10,13 +10,9 @@ When there is no Linguist data yet the card will be empty:
 
 ![Example of empty Linguist card](./docs/linguist-no-data.png)
 
-Clicking on the refresh icon will generate the language breakdown:
+Once the language breakdown has been generated the card will look like this:
 
-![Example of Linguist card with data](./docs/linguist-with-data.png)
-
-Here's an example where the permissions are hiding the refresh button:
-
-![Example of Linguist card without the refresh button](./docs/linguist-no-refresh.png)
+![Example of Linguist card without the refresh button](./docs/linguist-with-data.png)
 
 ## Setup