Change yama contract speculation to oathplate body

Author: adamgraham

src/data/grid_master_tiles.json

@@ -374,9 +374,9 @@
     "col": "G",
     "row": "6",
     "type": "hard",
-    "icon": "Contract_of_bloodied_blows",
-    "task": "SPECULATION – Contract of Bloodied Blows",
-    "taskLink": "Contract_of_bloodied_blows",
+    "icon": "Oathplate_chest",
+    "task": "SPECULATION – Oathplate Chest",
+    "taskLink": "Oathplate_chest",
     "unconfirmed": true
   },
   {