chore: Update README.md

Remove redundant stuff.

Author: marcoscaceres

README.md

@@ -1,11 +1,7 @@
 # Geolocation API
 
-Welcome to the home of the W3C's Geolocation API!
-
 Once a user grants permission, the Geolocation API provides access to geographical location information from device.
 
-This repository is where the friendly folks of the [Devices and Sensors Working Group](https://www.w3.org/das/) maintain the specification.
-
 - [Editor's draft](http://w3c.github.io/geolocation-api/)
 
 ## Examples of usage