Added error log if bootloader dll fails to be moved into game dir (Su…

…bnauticaNitrox#1211)

* Removed unused field in NitroxEntryPatch.cs

* Added error log if launcher fails to move bootloader dll into game dir

NitroxLauncher/LauncherLogic.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
@@ -215,9 +214,9 @@ internal async Task StartMultiplayerAsync()
             {
                 File.Copy(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "lib", bootloaderName), Path.Combine(subnauticaPath, "Subnautica_Data", "Managed", bootloaderName), true);
             }
-            catch (IOException)
+            catch (IOException ex)
             {
-                // ignored
+                Log.Error(ex, "Unable to move bootloader dll to Managed folder. Still attempting to launch because it might exist from previous runs.");
             }
 
             nitroxEntryPatch.Remove(); // Remove any previous instances first.

NitroxLauncher/Patching/NitroxEntryPatch.cs

@@ -135,7 +135,6 @@ private static int FindNitroxExecuteInstructionIndex(IList<Instruction> methodIn
         private bool IsPatchApplied()
         {
             string gameInputPath = Path.Combine(subnauticaManagedPath, GAME_ASSEMBLY_NAME);
-            string nitroxPatcherPath = Path.Combine(subnauticaManagedPath, NITROX_ASSEMBLY_NAME);
 
             using (ModuleDefMD module = ModuleDefMD.Load(gameInputPath))
             {