Update lightning_immunity.json

Made it so you are truly invincible to lightning

src/main/resources/data/aspects/powers/lightning_immunity.json

@@ -1,12 +1,8 @@
 {
-    "type": "origins:modify_damage_taken",
+    "type": "origins:invulnerability",
     "damage_condition": {
         "type": "origins:name",
         "name":"lightningBolt"
         },
-    "modifier": {
-        "operation": "addition",
-        "value": -1000
-    },
     "hidden": true
 }