[CI] Remove functorch doc build jobs (#163101)

As repo has been archived, there couldn't be any doc updates

Pull Request resolved: https://github.com/pytorch/pytorch/pull/163101
Approved by: https://github.com/svekars, https://github.com/zou3519, https://github.com/ZainRizvi

.ci/pytorch/functorch_doc_push_script.sh

@@ -1,40 +0,0 @@
-#!/bin/bash
-
-# This is where the local pytorch install in the docker image is located
-pt_checkout="/var/lib/jenkins/workspace"
-source "$pt_checkout/.ci/pytorch/common_utils.sh"
-echo "functorch_doc_push_script.sh: Invoked with $*"
-
-set -ex -o pipefail
-
-version=${DOCS_VERSION:-nightly}
-echo "version: $version"
-
-# Build functorch docs
-pushd $pt_checkout/functorch/docs
-make html
-popd
-
-git clone https://github.com/pytorch/functorch -b gh-pages --depth 1 functorch_ghpages
-pushd functorch_ghpages
-
-if [ "$version" == "main" ]; then
-  version=nightly
-fi
-
-git rm -rf "$version" || true
-mv "$pt_checkout/functorch/docs/build/html" "$version"
-
-git add "$version" || true
-git status
-git config user.email "soumith+bot@pytorch.org"
-git config user.name "pytorchbot"
-# If there aren't changes, don't make a commit; push is no-op
-git commit -m "Generate Python docs from pytorch/pytorch@${GITHUB_SHA}" || true
-git status
-
-if [[ "${WITH_PUSH:-}" == true ]]; then
-  git push -u origin gh-pages
-fi
-
-popd

.github/workflows/_docs.yml

@@ -75,10 +75,6 @@ jobs:
             runner: ${{ inputs.runner_prefix }}linux.2xlarge
             # It takes less than 30m to finish python docs unless there are issues
             timeout-minutes: 30
-          - docs_type: functorch
-            runner: ${{ inputs.runner_prefix }}linux.2xlarge
-            # It takes less than 15m to finish functorch docs unless there are issues
-            timeout-minutes: 15
     # Set a fixed name for this job instead of using the current matrix-generated name, i.e. build-docs (cpp, linux.12xlarge, 180)
     # The current name requires updating the database last docs push query from test-infra every time the matrix is updated
     name: build-docs-${{ matrix.docs_type }}-${{ inputs.push }}
@@ -211,16 +207,6 @@ jobs:
           path: cppdocs/
           s3-prefix: pytorch/pytorch/${{ github.event.pull_request.number }}/cppdocs
 
-      - name: Upload functorch Docs Preview
-        uses: seemethere/upload-artifact-s3@baba72d0712b404f646cebe0730933554ebce96a # v5.1.0
-        if: ${{ github.event_name == 'pull_request' && matrix.docs_type == 'functorch' && steps.build-docs.outcome == 'success' }}
-        with:
-          retention-days: 14
-          s3-bucket: doc-previews
-          if-no-files-found: error
-          path: functorch_ghpages/nightly/
-          s3-prefix: pytorch/pytorch/${{ github.event.pull_request.number }}/functorchdocs
-
       - name: Teardown Linux
         uses: pytorch/test-infra/.github/actions/teardown-linux@main
         if: always()