remove unsupported taskcluster build badge (#3372)

Author: bluemarvin

README.md

@@ -4,8 +4,6 @@ The goal of the Firefox Reality project is to create a full-featured browser exc
 
 You can find us in [#fxr:mozilla.org on the Matrix](https://chat.mozilla.org/#/room/#fxr:mozilla.org) ([Instructions for joining](https://wiki.mozilla.org/Matrix)), Twitter [@MozillaReality](https://twitter.com/mozillareality), and at [[email protected]](mailto:[email protected]).
 
-[![Task Status](https://community-tc.services.mozilla.com/api/github/v1/repository/MozillaReality/FirefoxReality/master/badge.svg)](https://community-tc.services.mozilla.com/api/github/v1/repository/MozillaReality/FirefoxReality/master/latest) [Build results](https://community-tc.services.mozilla.com/api/github/v1/repository/MozillaReality/FirefoxReality/master/latest)
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 ## Download developer APKs
 
 **[Download](https://community-tc.services.mozilla.com/api/github/v1/repository/MozillaReality/FirefoxReality/master/latest)** [bleeding-edge](https://github.com/MozillaReality/FirefoxReality/commits/master) developer APKs for Firefox Reality.