Delete PyTorch Inference Performance Tuning on AWS Graviton Processors (#3591)

## Description
Delete the old tutorial on PyTorch Inference Performance Tuning on AWS
Graviton Processors

## Checklist
<!--- Make sure to add `x` to all items in the following checklist: -->
- [x] The issue that is being fixed is referred in the description (see
above "Fixes #ISSUE_NUMBER")
- [x] Only one issue is addressed in this pull request
- [x] Labels from the issue that this PR is fixing are added to this
pull request
- [x] No unnecessary issues are included into this pull request.

---------

Co-authored-by: sekyondaMeta <[email protected]>

Author: jiannanWang

recipes_index.rst

@@ -184,12 +184,6 @@ from our full-length tutorials.
    :link: recipes/xeon_run_cpu.html
    :tags: Model-Optimization
 
-.. customcarditem::
-   :header: PyTorch Inference Performance Tuning on AWS Graviton Processors
-   :card_description: Tips for achieving the best inference performance on AWS Graviton CPUs
-   :image: _static/img/thumbnails/cropped/generic-pytorch-logo.png
-   :link: recipes/inference_tuning_on_aws_graviton.html
-   :tags: Model-Optimization
 
 .. (beta) Utilizing Torch Function modes with torch.compile
 
@@ -366,7 +360,6 @@ from our full-length tutorials.
    recipes/recipes/swap_tensors
    recipes/torch_export_aoti_python
    recipes/recipes/tensorboard_with_pytorch
-   recipes/inference_tuning_on_aws_graviton
    recipes/torch_compile_torch_function_modes
    recipes/compiling_optimizer_lr_scheduler
    recipes/foreach_map