Fix#5373.
- Remove references to removed file "../../build/deps.js"
- Update leaflet-include.js to point to "../dist/leaflet-src.js"
- Update watch to use the same destination file as rollup (dist/leaflet-src.js)
- Define getRandomLatLng where used
Change the hack to just use top/left if chrome is being used, otherwise use transform.
Hopefully chrome fixes their issue so we can use transform everywhere instead.