Remove unused file

src/Core/ServiceWrapper/SigIntHelper.cs

@@ -1,59 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace winsw
-{
-    public static class SigIntHelper
-    {
-        private const string KERNEL32 = "kernel32.dll";
-
-        [DllImport(KERNEL32, SetLastError = true)]
-        private static extern bool AttachConsole(uint dwProcessId);
-
-        [DllImport(KERNEL32, SetLastError = true, ExactSpelling = true)]
-        private static extern bool FreeConsole();
-
-        [DllImport(KERNEL32)]
-        private static extern bool SetConsoleCtrlHandler(ConsoleCtrlDelegate? HandlerRoutine, bool Add);
-
-        // Delegate type to be used as the Handler Routine for SCCH
-        private delegate bool ConsoleCtrlDelegate(CtrlTypes CtrlType);
-
-        // Enumerated type for the control messages sent to the handler routine
-        private enum CtrlTypes : uint
-        {
-            CTRL_C_EVENT = 0,
-            CTRL_BREAK_EVENT,
-            CTRL_CLOSE_EVENT,
-            CTRL_LOGOFF_EVENT = 5,
-            CTRL_SHUTDOWN_EVENT
-        }
-
-        [DllImport(KERNEL32)]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        private static extern bool GenerateConsoleCtrlEvent(CtrlTypes dwCtrlEvent, uint dwProcessGroupId);
-
-        /// <summary>
-        /// Uses the native funciton "AttachConsole" to attach the thread to the executing process to try to trigger a CTRL_C event (SIGINT).  If the application
-        /// doesn't honor the event and shut down gracefully, the. wait period will time out after 15 seconds.
-        /// </summary>
-        /// <param name="process">The process to attach to and send the SIGINT</param>
-        /// <returns>True if the process shut down successfully to the SIGINT, false if it did not.</returns>
-        public static bool SendSIGINTToProcess(Process process, TimeSpan shutdownTimeout)
-        {
-            if (AttachConsole((uint)process.Id))
-            {
-                // Disable Ctrl-C handling for our program
-                SetConsoleCtrlHandler(null, true);
-                GenerateConsoleCtrlEvent(CtrlTypes.CTRL_C_EVENT, 0);
-
-                process.WaitForExit((int)shutdownTimeout.TotalMilliseconds);
-
-                return process.HasExited;
-            }
-
-            return false;
-        }
-    }
-}