fix(Feeds): 统一武器品质等级为3

移除多余的quality属性并统一info节点中的品质等级，保持数据一致性

components/Feeds/A-ChainGun.tscn

@@ -7,7 +7,6 @@
 [node name="ChainGun" instance=ExtResource("1_7uifb")]
 avatarTexture = ExtResource("2_j74mc")
 displayName = "链式机枪"
-quality = 3
 topic = 8
 weapons = Array[PackedScene]([ExtResource("3_0nqrh")])
 costs = Array[int]([0, 3])
@@ -18,5 +17,5 @@ texture = ExtResource("2_j74mc")
 
 [node name="name" parent="container/info" index="1"]
 displayName = "链式机枪"
-quality = 4
+quality = 3
 topic = 8