[Nightly] Move ops to the correct path (#5642)

### What this PR does / why we need it?
Move ops to the correct path where they belong

- vLLM version: v0.13.0
- vLLM main:
2f4e6548ef

Signed-off-by: wangli <wangli858794774@gmail.com>

.github/workflows/_e2e_nightly_single_node.yaml

@@ -142,10 +142,6 @@ jobs:
         run: |
           # ignore test_dispatch_ffn_combine until the test is fixed
           pytest -sv ${{ inputs.tests }} \
-          --ignore=tests/e2e/nightly/ops/test_dispatch_ffn_combine.py \
-          --ignore=tests/e2e/nightly/ops/test_fused_moe.py \
-          --ignore=tests/e2e/nightly/ops/test_rotary_embedding.py \
-          --ignore=tests/e2e/nightly/ops/test_matmul_allreduce_add_rmsnorm.py
-
+          --ignore=tests/e2e/nightly/single_node/ops/singlecard_ops/test_fused_moe.py