Remove macos x86 nightly builds (#8282)

.github/workflows/build-conda-macos.yml

-name: Build Macos Conda
-
-on:
-  pull_request:
-  push:
-    branches:
-      - nightly
-      - main
-      - release/*
-    tags:
-        # NOTE: Binary build pipelines should only get triggered on release candidate builds
-        # Release candidate tags look like: v1.11.0-rc1
-        - v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+
-  workflow_dispatch:
-
-jobs:
-  generate-matrix:
-    uses: pytorch/test-infra/.github/workflows/generate_binary_build_matrix.yml@main
-    with:
-      package-type: conda
-      os: macos
-      test-infra-repository: pytorch/test-infra
-      test-infra-ref: main
-  build:
-    needs: generate-matrix
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - repository: pytorch/vision
-            pre-script: ""
-            post-script: ""
-            conda-package-directory: packaging/torchvision
-            smoke-test-script: test/smoke_test.py
-            package-name: torchvision
-    name: ${{ matrix.repository }}
-    uses: pytorch/test-infra/.github/workflows/build_conda_macos.yml@main
-    with:
-      conda-package-directory: ${{ matrix.conda-package-directory }}
-      repository: ${{ matrix.repository }}
-      ref: ""
-      test-infra-repository: pytorch/test-infra
-      test-infra-ref: main
-      build-matrix: ${{ needs.generate-matrix.outputs.matrix }}
-      pre-script: ${{ matrix.pre-script }}
-      post-script: ${{ matrix.post-script }}
-      package-name: ${{ matrix.package-name }}
-      smoke-test-script: ${{ matrix.smoke-test-script }}
-      runner-type: macos-12
-      trigger-event: ${{ github.event_name }}
-    secrets:
-      CONDA_PYTORCHBOT_TOKEN: ${{ secrets.CONDA_PYTORCHBOT_TOKEN }}
-      CONDA_PYTORCHBOT_TOKEN_TEST: ${{ secrets.CONDA_PYTORCHBOT_TOKEN_TEST }}

.github/workflows/build-wheels-macos.yml

-name: Build Macos Wheels
-
-on:
-  pull_request:
-  push:
-    branches:
-      - nightly
-      - main
-      - release/*
-    tags:
-        # NOTE: Binary build pipelines should only get triggered on release candidate builds
-        # Release candidate tags look like: v1.11.0-rc1
-        - v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+
-  workflow_dispatch:
-
-permissions:
-  id-token: write
-  contents: read
-
-jobs:
-  generate-matrix:
-    uses: pytorch/test-infra/.github/workflows/generate_binary_build_matrix.yml@main
-    with:
-      package-type: wheel
-      os: macos
-      test-infra-repository: pytorch/test-infra
-      test-infra-ref: main
-  build:
-    needs: generate-matrix
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - repository: pytorch/vision
-            pre-script: packaging/pre_build_script.sh
-            post-script: packaging/post_build_script.sh
-            smoke-test-script: test/smoke_test.py
-            package-name: torchvision
-    name: ${{ matrix.repository }}
-    uses: pytorch/test-infra/.github/workflows/build_wheels_macos.yml@main
-    with:
-      repository: ${{ matrix.repository }}
-      ref: ""
-      test-infra-repository: pytorch/test-infra
-      test-infra-ref: main
-      build-matrix: ${{ needs.generate-matrix.outputs.matrix }}
-      pre-script: ${{ matrix.pre-script }}
-      post-script: ${{ matrix.post-script }}
-      package-name: ${{ matrix.package-name }}
-      runner-type: macos-12
-      smoke-test-script: ${{ matrix.smoke-test-script }}
-      trigger-event: ${{ github.event_name }}