[CI]Fixed the installation error caused by redundant C++ header files added during the cache building process. (vllm-project#10841)

### What this PR does / why we need it?
Fixed the installation error caused by redundant C++ header files added
during the cache building process.
### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: v0.22.1
- vLLM main:
vllm-project/vllm@967c5c3

---------

Signed-off-by: Chen zhichao <chenzhichao33@h-partners.com>
Co-authored-by: Chen zhichao <chenzhichao33@h-partners.com>

Author: czc-unac

.github/workflows/push_build_csrc_cache.yaml

@@ -182,9 +182,7 @@ jobs:
           source /usr/local/Ascend/nnal/atb/set_env.sh
           arch=$(uname -i)
           export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/Ascend/ascend-toolkit/latest/${arch}-linux/devlib
-          if [ "${{ matrix.os }}" = "openeuler" ]; then
-            export CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/include/c++/12:/usr/include/c++/12/${arch}-openEuler-linux
-          fi
+          
           if [ "${{ runner.arch }}" = "X64" ]; then
             export UV_EXTRA_INDEX_URL="${UV_EXTRA_INDEX_URL} https://download.pytorch.org/whl/cpu/"
           fi