Revert "Merge pull request ppy#15728 from MBmasher/fl-decay"

This reverts commit 377cb1d, reversing
changes made to 488e1f8.

osu.Game.Rulesets.Osu/Difficulty/Skills/Flashlight.cs

@@ -19,7 +19,7 @@ public Flashlight(Mod[] mods)
         {
         }
 
-        private double skillMultiplier => 0.07;
+        private double skillMultiplier => 0.15;
         private double strainDecayBase => 0.15;
         protected override double DecayWeight => 1.0;
         protected override int HistoryLength => 10; // Look back for 10 notes is added for the sake of flashlight calculations.
@@ -61,7 +61,7 @@ private double strainValueOf(DifficultyHitObject current)
                     // We also want to nerf stacks so that only the first object of the stack is accounted for.
                     double stackNerf = Math.Min(1.0, (currentObj.LazyJumpDistance / scalingFactor) / 25.0);
 
-                    result += stackNerf * scalingFactor * jumpDistance / cumulativeStrainTime;
+                    result += Math.Pow(0.8, i) * stackNerf * scalingFactor * jumpDistance / cumulativeStrainTime;
                 }
 
                 lastObj = currentObj;