[TEST] Delete Comment (#4427)

### What this PR does / why we need it?
Delete useless comments.
### Does this PR introduce _any_ user-facing change?
No

- vLLM main:
2918c1b49c

Signed-off-by: GDzhu01 <809721801@qq.com>

tests/ut/quantization/test_w8a8.py

@@ -326,7 +326,6 @@ class TestAscendC8KVCacheMethod(TestBase):
         self.attention_type.ENCODER = "encoder"
 
     def test_create_weights(self):
-        """测试 create_weights 是否正确注册参数"""
         AscendC8KVCacheMethod.create_weights(self.layer)
 
         self.layer.register_parameter.assert_any_call("key_antiquant_scale",