Add a command and verb to delete entities (#3263)

* Add command to delete entities

* Add verb to delete entities

Content.Server/Commands/Entities/DeleteEntityCommand.cs

@@ -0,0 +1,42 @@
+using Content.Server.Administration;
+using Content.Shared.Administration;
+using Robust.Shared.Console;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Commands.Entities
+{
+    [AdminCommand(AdminFlags.Spawn)]
+    public class DeleteEntityCommand : IConsoleCommand
+    {
+        public string Command => "deleteentity";
+        public string Description => "Deletes an entity with the given id.";
+        public string Help => $"Usage: {Command} <id>";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            if (args.Length != 1)
+            {
+                shell.WriteLine($"Invalid amount of arguments.\n{Help}");
+                return;
+            }
+
+            if (!EntityUid.TryParse(args[0], out var id))
+            {
+                shell.WriteLine($"{args[0]} is not a valid entity id.");
+                return;
+            }
+
+            var entityManager = IoCManager.Resolve<IEntityManager>();
+
+            if (!entityManager.TryGetEntity(id, out var entity))
+            {
+                shell.WriteLine($"No entity found with id {id}.");
+                return;
+            }
+
+            entity.Delete();
+            shell.WriteLine($"Deleted entity with id {id}.");
+        }
+    }
+}