Use reason_phrase instead of get_phrase

src/Services/Cache/ImageCache.vala

@@ -7,7 +7,7 @@ public class Tootle.ImageCache : AbstractCache {
 	protected Paintable decode (owned Soup.Message msg) throws Error {
 		var code = msg.status_code;
 		if (code != Soup.Status.OK) {
-			var error = network.describe_error (code);
+			var error = msg.reason_phrase;
 			throw new Oopsie.INSTANCE (@"Server returned $error");
 		}
 

src/Services/Network/Network.vala

@@ -56,7 +56,7 @@ public class Tootle.Network : GLib.Object {
 				else if (status == Soup.Status.CANCELLED)
 					debug ("Message is cancelled. Ignoring callback invocation.");
 				else
-					ecb ((int32) status, describe_error ((int32) status));
+					ecb ((int32) status, msg.reason_phrase);
 			});
 		}
 		catch (Error e) {
@@ -65,11 +65,6 @@ public class Tootle.Network : GLib.Object {
 		}
 	}
 
-	public string describe_error (uint code) {
-		var reason = Soup.Status.get_phrase (code);
-		return @"$code: $reason";
-	}
-
 	public void on_error (int32 code, string message) {
 		warning (message);
 		app.toast (message);