Set ngraph off as default

test=develop

paddle/scripts/paddle_build.sh

@@ -139,7 +139,7 @@ function cmake_gen() {
         -DWITH_AMD_GPU=${WITH_AMD_GPU:-OFF}
         -DWITH_DISTRIBUTE=${WITH_DISTRIBUTE:-OFF}
         -DWITH_MKL=${WITH_MKL:-ON}
-        -DWITH_NGRAPH=${WITH_NGRAPH:-ON}
+        -DWITH_NGRAPH=${WITH_NGRAPH:-OFF}
         -DWITH_AVX=${WITH_AVX:-OFF}
         -DWITH_GOLANG=${WITH_GOLANG:-OFF}
         -DCUDA_ARCH_NAME=${CUDA_ARCH_NAME:-All}
@@ -172,7 +172,7 @@ EOF
         -DWITH_AMD_GPU=${WITH_AMD_GPU:-OFF} \
         -DWITH_DISTRIBUTE=${WITH_DISTRIBUTE:-OFF} \
         -DWITH_MKL=${WITH_MKL:-ON} \
-        -DWITH_NGRAPH=${WITH_NGRAPH:-ON} \
+        -DWITH_NGRAPH=${WITH_NGRAPH:-OFF} \
         -DWITH_AVX=${WITH_AVX:-OFF} \
         -DWITH_GOLANG=${WITH_GOLANG:-OFF} \
         -DCUDA_ARCH_NAME=${CUDA_ARCH_NAME:-All} \
@@ -527,7 +527,6 @@ EOF
         -DWITH_DOC=ON \
         -DWITH_GPU=OFF \
         -DWITH_MKL=OFF \
-        -DWITH_NGRAPH=OFF \
         -DWITH_FLUID_ONLY=ON
 
     local LIB_TYPE=$1