some factorisation

system/scripts/items/weapon-sheet.js

@@ -20,32 +20,11 @@ export class WeaponSheetL5r5e extends ItemSheetL5r5e {
         const sheetData = super.getData();
         sheetData.data.dtypes = ["String", "Number", "Boolean"];
 
-        sheetData.data.isWeapon = true;
-        sheetData.data.isEquipment = true;
+        // Martial skills only
         sheetData.data.skills = Array.from(L5R5E.skills)
             .filter(([id, cat]) => cat === "martial")
             .map(([id, cat]) => id);
 
         return sheetData;
     }
-
-    /**
-     * Subscribe to events from the sheet.
-     * @param html HTML content of the sheet.
-     */
-    activateListeners(html) {
-        super.activateListeners(html);
-
-        // Everything below here is only needed if the sheet is editable
-        if (!this.options.editable) return;
-    }
-
-    /**
-     * Update item with values from the sheet.
-     * @param event
-     * @param formData
-     */
-    _updateObject(event, formData) {
-        return this.object.update(formData);
-    }
 }