Discard invalid required rank

public/data/battlesuits/sf.json

@@ -3,12 +3,7 @@
   "name": "Scarlet Fusion",
   "type": "mecha",
   "valkyrie": "sakura",
-  "strengths": [
-    "lightning dmg",
-    "burst",
-    "paralyze",
-    "heavy atk"
-  ],
+  "strengths": ["lightning dmg", "burst", "paralyze", "heavy atk"],
   "leader": {
     "core": {
       "name": "Nuclear Armaments",
@@ -30,8 +25,7 @@
     "subskills": [
       {
         "name": "Devastator's Charge",
-        "description": "Each sprint attack additionally deals 200 Lightning DMG.",
-        "requiredRank": "this"
+        "description": "Each sprint attack additionally deals 200 Lightning DMG."
       },
       {
         "name": "Switch: Shoryu Blade",
@@ -95,8 +89,7 @@
     "subskills": [
       {
         "name": "Rapid CD",
-        "description": "Shortens CD of EM Charge by 4s.",
-        "requiredRank": "this"
+        "description": "Shortens CD of EM Charge by 4s."
       },
       {
         "name": "Augmented Reactor",
@@ -126,4 +119,4 @@
       }
     ]
   }
-}
+}