Cleaned up obsolete properties from MobStateComponent (#13097)

Co-authored-by: Jezithyr <Jezithyr@gmail.com>

Content.Server/Body/Systems/MetabolizerSystem.cs

@@ -2,6 +2,7 @@ using System.Linq;
 using Content.Server.Body.Components;
 using Content.Server.Chemistry.Components.SolutionManager;
 using Content.Server.Chemistry.EntitySystems;
+using Content.Server.MobState;
 using Content.Shared.Administration.Logs;
 using Content.Shared.Body.Organ;
 using Content.Shared.Chemistry.Components;
@@ -22,6 +23,7 @@ namespace Content.Server.Body.Systems
         [Dependency] private readonly SolutionContainerSystem _solutionContainerSystem = default!;
         [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
         [Dependency] private readonly IRobustRandom _random = default!;
+        [Dependency] private readonly MobStateSystem _mobStateSystem = default!;
         [Dependency] private readonly ISharedAdminLogManager _adminLogger = default!;
 
         public override void Initialize()
@@ -159,7 +161,7 @@ namespace Content.Server.Body.Systems
                     // still remove reagents
                     if (EntityManager.TryGetComponent<MobStateComponent>(solutionEntityUid.Value, out var state))
                     {
-                        if (state.IsDead())
+                        if (_mobStateSystem.IsDead(solutionEntityUid.Value, state))
                             continue;
                     }