Remove unused patch file

refs #9119

agent/windows-setup-agent/SetupWizard.cs.rej

@@ -1,18 +0,0 @@
-diff a/agent/windows-setup-agent/SetupWizard.cs b/agent/windows-setup-agent/SetupWizard.cs	(rejected hunks)
-@@ -243,14 +246,13 @@ namespace Icinga
- 			}
- 
- 			if (!RunProcess(Program.Icinga2InstallDir + "\\sbin\\icinga2.exe",
--				"--scm-install daemon",
-+				"--scm-install --scm-user \"" + txtUser.Text + "\" daemon",
- 				out output)) {
- 				ShowErrorText(output);
- 				return;
- 			}
- 
--			if (chkInstallNSCP.Checked)
--			{
-+			if (chkInstallNSCP.Checked) {
- 				SetConfigureStatus(85, "Waiting for NSClient++ installation to complete...");
- 
- 				Process proc = new Process();