Remove redundant Install ExecuTorch python from runner-et step

Author: larryliu0820

.github/workflows/pull.yml

@@ -947,14 +947,6 @@ jobs:
         run: |
           echo "Installing ExecuTorch"
           bash torchchat/utils/scripts/install_et.sh
-      - name: Install ExecuTorch python
-        run: |
-          echo "Install ExecuTorch python"
-          export TORCHCHAT_ROOT=$PWD
-          export ET_BUILD_DIR="et-build"
-          ENABLE_ET_PYBIND="${1:-true}"
-          source "torchchat/utils/scripts/install_utils.sh"
-          install_executorch_python_libs $ENABLE_ET_PYBIND
       - name: Install runner
         run: |
           echo "Installing runner"

torchchat/utils/scripts/install_et.sh

@@ -13,10 +13,8 @@ if [ "${ET_BUILD_DIR}" == "" ]; then
   ET_BUILD_DIR="et-build"
 fi
 
-ENABLE_ET_PYBIND="${1:-true}"
-
 pushd ${TORCHCHAT_ROOT}
 find_cmake_prefix_path
 clone_executorch
-install_executorch_libs $ENABLE_ET_PYBIND
+install_executorch_libs
 popd

torchchat/utils/scripts/install_utils.sh

@@ -161,7 +161,7 @@ install_executorch_libs() {
   EXECUTORCH_BUILD_KERNELS_CUSTOM_AOT_VAR=OFF
   EXECUTORCH_BUILD_KERNELS_CUSTOM_VAR=OFF
   install_executorch_cpp_libs
-  install_executorch_python_libs $1
+  install_executorch_python_libs
 }
 
 clone_torchao() {