[BE] Remove stale android/ios build targets - #9416

• Build Windows Wheels / pytorch/vision / build-wheel-py3_10-cuda12_6 (gh)
• Build Windows Wheels / pytorch/vision / build-wheel-py3_10-cuda12_8 (gh)
  RuntimeError: Error compiling objects for extension
• Build Windows Wheels / pytorch/vision / build-wheel-py3_10-cuda13_0 (gh)
  RuntimeError: Error compiling objects for extension
• Build Windows Wheels / pytorch/vision / upload / upload-wheel-py3_10-cuda13_0 (gh)
  Unable to download artifact(s): Artifact not found for name: pytorch_vision__3.10_cu130_x64
• Build Windows Wheels / pytorch/vision / upload / upload-wheel-py3_10-xpu (gh)
  The process '/usr/bin/git' failed with exit code 128
• CMake / linux (linux.12xlarge, cpu) / linux-job (gh)
  An error occurred trying to start process '/usr/bin/bash' with working directory '/home/ec2-user/actions-runner/_work/vision/vision/pytorch/vision'. No such file or directory
• Lint / python-source-and-configs / linux-job (gh)
• Tests / unittests-linux (3.10, linux.12xlarge, cpu) / linux-job (gh)
  RuntimeError: Command docker exec -t e9a22ba5357cda37edd5b98efc0232487910b030408e084f9dc45cbc2cf4f364 /exec failed with exit code 1
• Tests / unittests-linux (3.10, linux.g5.4xlarge.nvidia.gpu, cuda, 12.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 4c1466834e2cd84b1a2af9b851d60c7c1c427d3807ddab080d15ca9e8359091b /exec failed with exit code 1
• Tests / unittests-linux (3.14, linux.12xlarge, cpu) / linux-job (gh)
  RuntimeError: Command docker exec -t bd2750d9e0a6ff5ee4ac7b22d86f8153c75b4bd629d5b1166b7b80823a5b8c8a /exec failed with exit code 1
• Tests / unittests-linux-cvcuda (3.10, linux.g5.4xlarge.nvidia.gpu, cuda, 12.6) / linux-job (gh)
  RuntimeError: Command docker exec -t d0b79ece2e3f9503da150ccbf0677f7ffaff649e2e14f128742f7b00d4c59de7 /exec failed with exit code 1

• Tests / unittests-macos (3.10, macos-m1-stable) / macos-job (gh) (similar failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

👉 Rebase onto the `viable/strict` branch to avoid these failures

• Build Windows Wheels / pytorch/vision / upload / upload-wheel-py3_10-cuda12_6 (gh) (trunk failure)
  Unable to download artifact(s): Artifact not found for name: pytorch_vision__3.10_cu126_x64
• Build Windows Wheels / pytorch/vision / upload / upload-wheel-py3_10-cuda12_8 (gh) (trunk failure)
  Unable to download artifact(s): Artifact not found for name: pytorch_vision__3.10_cu128_x64
• Tests / unittests-macos (3.14, macos-m1-stable) / macos-job (gh) (trunk failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• Tests / unittests-windows (3.10, windows.4xlarge, cpu) / windows-job (gh) (trunk failure)
  test/test_internet.py::TestDatasetUtils::test_download_url_dispatch_download_from_google_drive[False]
• Tests / unittests-windows (3.14, windows.4xlarge, cpu) / windows-job (gh) (trunk failure)
  test/test_internet.py::TestDatasetUtils::test_download_url_dispatch_download_from_google_drive[False]