remove powderlimit field entirely and make it automatically find based on num of powders (it's useless anyway)

config.json

@@ -19,7 +19,6 @@
     {"id": "rawSpellDamage", "base":222  , "roll":130  },
     {"id": "spellDamage", "base":10  , "roll":130  }
   ],
-  "powder_limit": 10,
   "powders": [
     {"type":"E", "tier":6},
     {"type":"T", "tier":6},

src/main.rs

@@ -215,13 +215,13 @@ fn cook(
             dbg!(&powdervec);
         }
 
-        let real_powderlimit = json_config.powder_limit.ok_or(PowderLimitNotPresent)?;
+        let powderlimitfr: u8 = powdervec.len() as u8;
 
         // ENCODE: PowderData
         // only occurs if the powders array is present and the powder limit is also present
         //
         PowderData {
-            powder_slots: real_powderlimit,
+            powder_slots: powderlimitfr,
             powders: powdervec,
         }
             .encode(ver, out)

src/structures/mod.rs

@@ -20,7 +20,6 @@ pub struct Jsonconfig {
     pub name: Option<String>,
     pub shiny: Option<Shinyjson>,
     pub ids: Option<Vec<Identificationer>>,
-    pub powder_limit: Option<u8>,
     pub powders: Option<Vec<Powder>>,
     pub rerolls: Option<u8>,
 }