Discard invalid required rank

public/data/battlesuits/meme.json

@@ -3,10 +3,7 @@
   "name": "Goushinnso Memento",
   "type": "mecha",
   "valkyrie": "sakura",
-  "strengths": [
-    "ice dmg",
-    "freeze"
-  ],
+  "strengths": ["ice dmg", "freeze"],
   "leader": {
     "core": {
       "name": "Sakura Dance",
@@ -15,8 +12,7 @@
     "subskills": [
       {
         "name": "Sakura Dance",
-        "description": "All characters in the team gain 21% Crit Rate at above 80% HP. MECH-type battlesuits: Gain 36% All Elemental DMG.",
-        "requiredRank": "this"
+        "description": "All characters in the team gain 21% Crit Rate at above 80% HP. MECH-type battlesuits: Gain 36% All Elemental DMG."
       }
     ]
   },
@@ -48,8 +44,7 @@
     "subskills": [
       {
         "name": "Onimusha",
-        "description": "5th Basic ATK sequence, Ultimate Evasion ATK, and Ultimate mark enemies. Attacks against marked / stunned / paralyzed / frozen / time slowed enemies deal 40.0% bonus Physical and Elemental DMG.",
-        "requiredRank": "this"
+        "description": "5th Basic ATK sequence, Ultimate Evasion ATK, and Ultimate mark enemies. Attacks against marked / stunned / paralyzed / frozen / time slowed enemies deal 40.0% bonus Physical and Elemental DMG."
       },
       {
         "name": "Mercy",
@@ -96,8 +91,7 @@
       },
       {
         "name": "Illumination",
-        "description": "Shortens evasion CD by 3.0s.",
-        "requiredRank": "this"
+        "description": "Shortens evasion CD by 3.0s."
       }
     ]
   },
@@ -109,8 +103,7 @@
     "subskills": [
       {
         "name": "Ice Spirit",
-        "description": "Each Basic ATK deals 35.0% ATK of bonus Ice DMG. 1st-4th Basic ATK sequences gain 30.0% faster Attack Speed, while the 5th sequence gives 30.0% Total DMG Multiplier buff for 8s.",
-        "requiredRank": "this"
+        "description": "Each Basic ATK deals 35.0% ATK of bonus Ice DMG. 1st-4th Basic ATK sequences gain 30.0% faster Attack Speed, while the 5th sequence gives 30.0% Total DMG Multiplier buff for 8s."
       },
       {
         "name": "Energizing Flurry",
@@ -123,4 +116,4 @@
       }
     ]
   }
-}
+}