Clean up install scripts

.ci/scripts/setup-linux.sh

@@ -20,6 +20,5 @@ fi
 
 # As Linux job is running inside a Docker container, all of its dependencies
 # have already been installed
-install_flatc_from_source
 install_executorch
 build_executorch_runner "${BUILD_TOOL}"

.ci/scripts/setup-macos.sh

@@ -128,7 +128,5 @@ if [[ -z "${GITHUB_RUNNER:-}" ]]; then
 fi
 
 print_cmake_info
-install_pytorch_and_domains
-install_flatc_from_source
 install_executorch
 build_executorch_runner "${BUILD_TOOL}"

.ci/scripts/utils.sh

@@ -33,42 +33,6 @@ install_pip_dependencies() {
   popd || return
 }
 
-install_domains() {
-  echo "Install torchvision and torchaudio"
-  pip install --no-use-pep517 --user "git+https://github.com/pytorch/audio.git@${TORCHAUDIO_VERSION}"
-  pip install --no-use-pep517 --user "git+https://github.com/pytorch/vision.git@${TORCHVISION_VERSION}"
-}
-
-install_pytorch_and_domains() {
-  pushd .ci/docker || return
-  TORCH_VERSION=$(cat ci_commit_pins/pytorch.txt)
-  popd || return
-
-  git clone https://github.com/pytorch/pytorch.git
-
-  # Fetch the target commit
-  pushd pytorch || return
-  git checkout "${TORCH_VERSION}"
-  git submodule update --init --recursive
-
-  export _GLIBCXX_USE_CXX11_ABI=0
-  # Then build and install PyTorch
-  python setup.py bdist_wheel
-  pip install "$(echo dist/*.whl)"
-
-  # Grab the pinned audio and vision commits from PyTorch
-  TORCHAUDIO_VERSION=$(cat .github/ci_commit_pins/audio.txt)
-  export TORCHAUDIO_VERSION
-  TORCHVISION_VERSION=$(cat .github/ci_commit_pins/vision.txt)
-  export TORCHVISION_VERSION
-
-  install_domains
-
-  popd || return
-  # Print sccache stats for debugging
-  sccache --show-stats || true
-}
-
 install_flatc_from_source() {
   # NB: This function could be used to install flatbuffer from source
   pushd third-party/flatbuffers || return

.github/workflows/trunk.yml

@@ -143,7 +143,6 @@ jobs:
         conda activate "${CONDA_ENV}"
 
         source .ci/scripts/utils.sh
-        install_flatc_from_source
         install_executorch
 
         install_arm
@@ -169,7 +168,6 @@ jobs:
         conda activate "${CONDA_ENV}"
 
         source .ci/scripts/utils.sh
-        install_flatc_from_source
         install_executorch
 
         install_arm