Revert "[sgl-kernel] upgrade deepgemm" (#18562)

sgl-kernel/build.sh

@@ -46,7 +46,6 @@ echo "PYTHON_TAG:     ${PY_TAG}"
 echo "Output:         ${DIST_DIR}/"
 echo "Buildx cache:   ${BUILDX_CACHE_DIR}"
 echo "Builder:        ${BUILDER_NAME}"
-echo "USE_CCACHE:     ${USE_CCACHE}"
 echo "----------------------------------------"
 
 # Optional profiling build-args (empty string disables)
@@ -62,7 +61,6 @@ docker buildx build \
   --build-arg ARCH="${ARCH}" \
   --build-arg PYTHON_VERSION="${PYTHON_VERSION}" \
   --build-arg PYTHON_TAG="${PY_TAG}" \
-  --build-arg USE_CCACHE="${USE_CCACHE}" \
   "${BUILD_ARGS[@]}" \
   --cache-from type=local,src=${BUILDX_CACHE_DIR} \
   --cache-to type=local,dest=${BUILDX_CACHE_DIR},mode=max \