Remove Hauk (unmaintained since March 2021) (#4046)

README.md

@@ -1191,7 +1191,6 @@ _See also: [awesome-openstreetmap](https://github.com/osmlab/awesome-openstreetm
 - [Geo2tz](https://github.com/noandrea/geo2tz) - Get the timezone from geo coordinates (lat, lon). `MIT` `Go/Docker`
 - [GraphHopper](https://graphhopper.com/) - Fast routing library and server using OpenStreetMap. ([Source Code](https://github.com/graphhopper/graphhopper)) `Apache-2.0` `Java`
 - [H3 Viewer](https://github.com/clupasq/h3-viewer) - View/search Uber H3 (Hexagonal Hierarchical Spatial Index) cells on a map. ([Demo](https://wolf-h3-viewer.glitch.me/)) `Apache-2.0` `HTML5`
-- [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` `PHP`
 - [Nominatim](https://nominatim.org/) - Server application for geocoding (address -> coordinates) and reverse geocoding (coordinates -> address) on OpenStreetMap data. ([Source Code](https://github.com/osm-search/Nominatim)) `GPL-2.0` `C`
 - [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++`