remove qwen3-next model file (#4573)

Let's remove qwen3-next model filecurrently. We'll support it later by
using vLLM origin model file

- vLLM version: v0.11.2
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2

Signed-off-by: wangxiyuan <[email protected]>

Author: wangxiyuan

.github/workflows/_e2e_test.yaml

@@ -285,4 +285,4 @@ jobs:
           VLLM_USE_MODELSCOPE: True
         run: |
           . /usr/local/Ascend/ascend-toolkit/8.3.RC2/bisheng_toolkit/set_env.sh
-          pytest -sv tests/e2e/multicard/test_qwen3_next.py
+          #pytest -sv tests/e2e/multicard/test_qwen3_next.py

vllm_ascend/models/__init__.py

@@ -16,10 +16,3 @@ def register_model():
         "PanguProMoEForCausalLM",
         "vllm_ascend.torchair.models.torchair_pangu_moe:PanguProMoEForCausalLM"
     )
-
-    ModelRegistry.register_model(
-        "Qwen3NextForCausalLM",
-        "vllm_ascend.models.qwen3_next:CustomQwen3NextForCausalLM")
-
-    ModelRegistry.register_model(
-        "Qwen3NextMTP", "vllm_ascend.models.qwen3_next_mtp:CustomQwen3NextMTP")