feat(Feeds): 添加新武器卡片并统一调整品质属性

为湮灭激光和彩虹旗添加新的武器卡片配置
将所有武器卡片的品质属性统一调整为2级
移除角色文件中不再使用的武器引用

components/Feeds/A-MushroomPickaxe.tscn

@@ -7,6 +7,7 @@
 [node name="MushroomPickaxe" instance=ExtResource("1_ug67j")]
 avatarTexture = ExtResource("2_ksurb")
 displayName = "蘑菇矿挖爪"
+quality = 2
 topic = 8
 weapons = Array[PackedScene]([ExtResource("3_apbxn")])
 costs = Array[int]([0, 1])
@@ -17,5 +18,4 @@ texture = ExtResource("2_ksurb")
 
 [node name="name" parent="container/info" index="1"]
 displayName = "蘑菇矿挖爪"
-quality = 3
 topic = 8