Revert "Physics (#3452)"

This reverts commit 3e64fd56a1.

Content.Server/GameObjects/EntitySystems/SingularitySystem.cs

@@ -7,21 +7,36 @@ namespace Content.Server.GameObjects.EntitySystems
     [UsedImplicitly]
     public class SingularitySystem : EntitySystem
     {
-        private float _accumulator;
+        private float curTimeSingulo;
+        private float curTimePull;
 
         public override void Update(float frameTime)
         {
             base.Update(frameTime);
 
-            _accumulator += frameTime;
+            curTimeSingulo += frameTime;
+            curTimePull += frameTime;
 
-            while (_accumulator > 1.0f)
+            var shouldUpdate = curTimeSingulo >= 1f;
+            var shouldPull = curTimePull >= 0.2f;
+            if (!shouldUpdate && !shouldPull) return;
+            var singulos = ComponentManager.EntityQuery<SingularityComponent>(true);
+
+            if (curTimeSingulo >= 1f)
             {
-                _accumulator -= 1.0f;
-
-                foreach (var singularity in ComponentManager.EntityQuery<SingularityComponent>())
+                curTimeSingulo -= 1f;
+                foreach (var singulo in singulos)
                 {
-                    singularity.Update(1);
+                    singulo.Update();
+                }
+            }
+
+            if (curTimePull >= 0.5f)
+            {
+                curTimePull -= 0.5f;
+                foreach (var singulo in singulos)
+                {
+                    singulo.PullUpdate();
                 }
             }
         }