Revert "Mind ecs" (#14881)

Content.Server/Roles/AddRoleCommand.cs

@@ -6,15 +6,12 @@ using Robust.Server.Player;
 using Robust.Shared.Console;
 using Robust.Shared.Prototypes;
 using System.Linq;
-using Content.Server.Mind;
 
 namespace Content.Server.Roles
 {
     [AdminCommand(AdminFlags.Admin)]
     public sealed class AddRoleCommand : IConsoleCommand
     {
-        [Dependency] private readonly EntityManager _entityManager = default!;
-        
         public string Command => "addrole";
 
         public string Description => "Adds a role to a player's mind.";
@@ -57,8 +54,7 @@ namespace Content.Server.Roles
             }
 
             var role = new Job(mind, jobPrototype);
-            var mindSystem = _entityManager.System<MindSystem>();
-            mindSystem.AddRole(mind, role);
+            mind.AddRole(role);
         }
     }
 }