Remove checks status badge and add note on legacy themes in README

Author: benc-uk

readme.md

@@ -9,7 +9,6 @@ Any checks or thresolds defined in your test will be highlighted, with clear ind
 ![](https://img.shields.io/github/license/benc-uk/k6-reporter)
 ![](https://img.shields.io/github/last-commit/benc-uk/k6-reporter)
 ![](https://img.shields.io/github/release/benc-uk/k6-reporter)
-![](https://img.shields.io/github/checks-status/benc-uk/k6-reporter/main)
 
 # Basic Usage
 
@@ -57,6 +56,8 @@ Version 3 introduced themes support for styling the look of the output. There ar
 - The `bootstrap` theme uses vanilla [Bootstrap 5](https://getbootstrap.com/) for styling and layout.
 - You can also use [Bootswatch](https://bootswatch.com/) themes for a different look and feel. To use a Bootswatch theme, set the theme option to `bootswatch:<name>`, where `<name>` is one of the available Bootswatch themes, e.g. `cerulean`, `cyborg`, `darkly`, etc. If no name is provided, it will default to `cerulean`.
 
+> NOTE: ALl themes other than `default` are considered legacy and will not be supported or get new features in future releases. They are provided for backwards compatibility only.
+
 ## Multiple outputs
 
 If you want more control over the output produced or to output the summary into multiple places (including stdout), just combine the result of htmlReport with other summary generators, as follows: