Remove redundant Hauk source code link

Main link already points to the GitHub repository. Removing per PR requirements

README.md

@@ -871,7 +871,7 @@ _Games, game servers and control panels._
 See also [awesome-gis](https://github.com/sshuair/awesome-gis).
 
 - [GraphHopper](https://graphhopper.com/) - Fast routing library and server using OpenStreetMap. ([Source Code](https://github.com/graphhopper/graphhopper)) `Apache-2.0` `Java`
-- [Hauk](https://github.com/bilde2910/Hauk) - Easy to setup location sharing platform that lets you temporarily share your location with anyone in real-time. ([Demo](https://github.com/bilde2910/Hauk#demo-server), [Source Code](https://github.com/bilde2910/Hauk)) `Apache-2.0` `PHP`
+- [Hauk](https://github.com/bilde2910/Hauk) - Easy to setup location sharing platform that lets you temporarily share your location with anyone in real-time. ([Demo](https://github.com/bilde2910/Hauk#demo-server)) `Apache-2.0` `PHP`
 - [MapBBCodeShare](https://github.com/MapBBCode/share.mapbbcode.org) - Tool for sharing custom OSM maps. Support for annotated markers, polygons, lines, multi-format import/export, multiple layers, shortlinks. ([Demo](http://share.mapbbcode.org/)) `WTFPL/Other` `PHP`
 - [Open Source Routing Machine (OSRM)](http://project-osrm.org/) - High performance routing engine designed to run on OpenStreetMap data and offering an HTTP API, C++ library interface, and NodeJS wrapper. ([Demo](https://map.project-osrm.org/), [Source Code](https://github.com/Project-OSRM/osrm-backend)) `BSD-2-Clause` `C++`
 - [Nominatim](https://nominatim.org/) - Server application for reverse geocoding (address -> coordinates) on OpenStreetMap data. ([Source Code](https://github.com/openstreetmap/Nominatim)) `GPL-2.0` `C`