move TriggerExplosion to shared (#30227)

* move component to shared

* add fake systems

* update server explosion system and remove duplicate transform query

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Explosion/EntitySystems/ExplosionSystem.CVars.cs

@@ -1,8 +1,8 @@
 using Content.Shared.CCVar;
-using Content.Shared.Explosion.EntitySystems;
+
 namespace Content.Server.Explosion.EntitySystems;
 
-public sealed partial class ExplosionSystem : SharedExplosionSystem
+public sealed partial class ExplosionSystem
 {
     public int MaxIterations { get; private set; }
     public int MaxArea { get; private set; }