Remove obsoleted code

OpenRA.Utility/Util.cs

@@ -75,12 +75,8 @@ namespace OpenRA.Utility
 			switch (Environment.OSVersion.Platform)
 			{
 			case PlatformID.Unix:
-				if (File.Exists("/usr/bin/gksudo"))
-					CallWithAdminGnome(command);
-				else if (File.Exists("/usr/bin/kdesudo"))
-					CallWithAdminKDE(command);
-				else
-					CallWithoutAdmin(command);
+				// Unix platforms are expected to run the utility as root
+				CallWithoutAdmin(command);
 				break;
 			default:
 				CallWithAdminWindows(command);
@@ -88,50 +84,6 @@ namespace OpenRA.Utility
 			}
 		}
 				
-		static void CallWithAdminGnome(string command)
-		{
-			var p = new Process();
-			p.StartInfo.FileName = "/usr/bin/gksudo";
-			p.StartInfo.Arguments = "--description \"OpenRA Utility App\" -- mono OpenRA.Utility.exe " + command;
-			p.StartInfo.UseShellExecute = false;
-			p.StartInfo.RedirectStandardOutput = true;
-			p.Start();
-			
-			using (var reader = p.StandardOutput)
-			{
-				while (!p.HasExited)
-				{
-					string line = reader.ReadLine();
-					if (string.IsNullOrEmpty(line)) continue;
-					if (line.Equals("GNOME_SUDO_PASSGNOME_SUDO_PASSSorry, try again.")) //gksudo is slightly moronic
-					{
-						Console.WriteLine("Error: Could not elevate process");
-						return;
-					}
-					else
-						Console.WriteLine(line);
-				}
-			}
-		}
-		
-		static void CallWithAdminKDE(string command)
-		{
-			var p = new Process();
-			p.StartInfo.FileName = "/usr/bin/kdesudo";
-			p.StartInfo.Arguments = "-d -- mono OpenRA.Utility.exe " + command;
-			p.StartInfo.UseShellExecute = false;
-			p.StartInfo.RedirectStandardOutput = true;
-			p.Start();
-			
-			using (var reader = p.StandardOutput)
-			{
-				while(!p.HasExited)
-				{
-					Console.WriteLine(reader.ReadLine());
-				}
-			}
-		}
-		
 		static void CallWithAdminWindows(string command)
 		{			
 			string pipename = Util.GetPipeName();