Remove unobtainable encounter slots from gen4 tables

PKHeX.Core/Legality/Encounters/Generator/Moveset/EncounterMovesetGenerator.cs

@@ -373,8 +373,6 @@ private static IEnumerable<EncounterSlot> GetSlots(PKM pk, IReadOnlyList<int> ne
             {
                 if (!IsSane(chain, slot))
                     continue;
-                if (slot.IsUnobtainable())
-                    continue;
 
                 if (needs.Count == 0)
                 {
@@ -407,20 +405,6 @@ private static bool IsSane(IReadOnlyList<EvoCriteria> chain, IEncounterTemplate
             return false;
         }
 
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static bool IsUnobtainable(this EncounterSlot slot)
-        {
-            switch (slot.Generation)
-            {
-                case 4:
-                    if (slot.Location == 193 && slot.Area.Type == SlotType.Surf) // Johto Route 45 surfing encounter. Unreachable Water tiles.
-                        return true;
-                    break;
-            }
-
-            return false;
-        }
-
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private static bool IsUnobtainable(this EncounterStatic enc)
         {