Remove all Assigned Values that are Never Used (#30110)

Remove all Assigned Values that are never used

Content.Server/Doors/Systems/FirelockSystem.cs

@@ -16,7 +16,6 @@ namespace Content.Server.Doors.Systems
     public sealed class FirelockSystem : SharedFirelockSystem
     {
         [Dependency] private readonly SharedDoorSystem _doorSystem = default!;
-        [Dependency] private readonly AtmosAlarmableSystem _atmosAlarmable = default!;
         [Dependency] private readonly AtmosphereSystem _atmosSystem = default!;
         [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
         [Dependency] private readonly SharedMapSystem _mapping = default!;