Don't unregister plugin assembly resolver.

Torch/Plugins/PluginManager.cs

@@ -325,23 +325,21 @@ namespace Torch.Managers
                     if (IsAssemblyCompatible(requiredAssemblyName, asm.GetName()))
                         return asm;
                 }
+                foreach (var asm in assemblies)
+                    if (asm == args.RequestingAssembly)
+                    {
                         _log.Warn($"Could find dependent assembly! Requesting assembly: {args.RequestingAssembly}, dependent assembly: {requiredAssemblyName}");
+                        break;
+                    }
                 return null;
             }
 
-            try
-            {
             AppDomain.CurrentDomain.AssemblyResolve += ResolveDependentAssembly;
             foreach (Assembly asm in assemblies)
             {
                 TorchBase.RegisterAuxAssembly(asm);
             }
         }
-            finally
-            {
-                AppDomain.CurrentDomain.AssemblyResolve -= ResolveDependentAssembly;
-            }
-        }
 
         private static bool IsAssemblyCompatible(AssemblyName a, AssemblyName b)
         {