Fix some build warnings (#6832)

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

Content.Server/Engineering/EntitySystems/DisassembleOnAltVerbSystem.cs

@@ -11,8 +11,6 @@ namespace Content.Server.Engineering.EntitySystems
     [UsedImplicitly]
     public sealed class DisassembleOnAltVerbSystem : EntitySystem
     {
-        [Dependency] private readonly SharedInteractionSystem _interactionSystem = default!;
-
         public override void Initialize()
         {
             base.Initialize();