Fix deletion check in ProjectileSystem.

Another casualty from the IEntity removal.

Content.Server/Projectiles/ProjectileSystem.cs

@@ -66,8 +66,7 @@ namespace Content.Server.Projectiles
             }
 
             // Damaging it can delete it
-            if (!EntityManager.GetComponent<MetaDataComponent>(otherEntity).EntityDeleted &&
-                EntityManager.HasComponent<CameraRecoilComponent>(otherEntity))
+            if (!Deleted(otherEntity) && HasComp<CameraRecoilComponent>(otherEntity))
             {
                 var direction = args.OurFixture.Body.LinearVelocity.Normalized;
                 _cameraRecoil.KickCamera(otherEntity, direction);