Remove references to obsolete forecast.io backend

Author: kordianbruck

README.md

@@ -63,9 +63,7 @@ go install github.com/schachmat/wego@latest
    and next few days for your chosen location.
 0. If you're visiting someone in e.g. London over the weekend, just run `wego 4
    London` or `wego London 4` (the ordering of arguments makes no difference) to
-   get the forecast for the current and the next 3 days. Unfortunately that does
-   not currently work with the forecast.io backend, as it only supports
-   latitude,longitude location specification.
+   get the forecast for the current and the next 3 days.
 
 You can set the `$WEGORC` environment variable to override the default config
 file location.

main.go

@@ -48,8 +48,8 @@ func main() {
 	flag.IntVar(numdays, "d", 3, "`NUMBER` of days of weather forecast to be displayed (shorthand)")
 	unitSystem := flag.String("units", "metric", "`UNITSYSTEM` to use for output.\n    \tChoices are: metric, imperial, si, metric-ms")
 	flag.StringVar(unitSystem, "u", "metric", "`UNITSYSTEM` to use for output. (shorthand)\n    \tChoices are: metric, imperial, si, metric-ms")
-	selectedBackend := flag.String("backend", "forecast.io", "`BACKEND` to be used")
-	flag.StringVar(selectedBackend, "b", "forecast.io", "`BACKEND` to be used (shorthand)")
+	selectedBackend := flag.String("backend", "openweathermap", "`BACKEND` to be used")
+	flag.StringVar(selectedBackend, "b", "openweathermap", "`BACKEND` to be used (shorthand)")
 	selectedFrontend := flag.String("frontend", "ascii-art-table", "`FRONTEND` to be used")
 	flag.StringVar(selectedFrontend, "f", "ascii-art-table", "`FRONTEND` to be used (shorthand)")