Fix extra 0 in level for gunpowder in retro mode (#4701)

src/main/resources/treasures.yml

@@ -16,7 +16,7 @@ Excavation:
         Drop_Chance: 10.0
         Level_Requirement:
             Standard_Mode: 10
-            Retro_Mode: 1000
+            Retro_Mode: 100
         Drops_From: [Gravel]
     BONE:
         Amount: 1
@@ -246,4 +246,4 @@ Hylian_Luck:
         Level_Requirement:
             Standard_Mode: 0
             Retro_Mode: 0
-        Drops_From: [Pots]
+        Drops_From: [Pots]