Fix compiler warnings.

Content.Server/GameObjects/EntitySystems/PlantSystem.cs

@@ -17,7 +17,6 @@ namespace Content.Server.GameObjects.EntitySystems
     {
         [Dependency] private readonly IComponentManager _componentManager = default!;
         [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
-        [Dependency] private readonly IGameTiming _gameTiming = default!;
 
         private int _nextUid = 0;
         private readonly Dictionary<int, Seed> _seeds = new Dictionary<int,Seed>();