Revert "Patch DeathEffect.Update to fix Percent check"

This reverts commit 7df0542.
Will be re-submitted as a PR

Celeste.Mod.mm/MonoModRules.cs

@@ -394,9 +394,6 @@ class PatchCassetteBlockAwakeAttribute : Attribute { }
     [MonoModCustomMethodAttribute(nameof(MonoModRules.PatchMountainRendererUpdate))]
     class PatchMountainRendererUpdate : Attribute { }
 
-    [MonoModCustomMethodAttribute(nameof(MonoModRules.PatchDeathEffectUpdate))]
-    class PatchDeathEffectUpdateAttribute : Attribute { }
-
     static class MonoModRules {
 
         static bool IsCeleste;
@@ -2252,12 +2249,6 @@ public static void PatchMountainRendererUpdate(ILContext context, CustomAttribut
                 throw new Exception("MountainRenderer failed to patch key presses for keys: " + pressedKeys.Keys);
         }
 
-        public static void PatchDeathEffectUpdate(ILContext context, CustomAttribute attrib) {
-            ILCursor cursor = new ILCursor(context);
-            cursor.GotoNext(instr => instr.OpCode == OpCodes.Ble_Un_S);
-            cursor.Next.OpCode = OpCodes.Blt_Un_S;
-        }
-
         public static void PostProcessor(MonoModder modder) {
             // Patch CrushBlock::AttackSequence's first alarm delegate manually because how would you even annotate it?
             PatchCrushBlockFirstAlarm(modder.Module.GetType("Celeste.CrushBlock/<>c__DisplayClass41_0").FindMethod("<AttackSequence>b__1"));