Delete Advanced Matrix Extensions (AMX) tutorial (#3590)

## Description
Remove the Advanced Matrix Extensions (AMX) tutorial.

Author: jiannanWang

.lintrunner.toml

@@ -74,7 +74,6 @@ exclude_patterns = [
     "unstable_source/max_autotune_on_CPU_tutorial.rst",
     "unstable_source/vmap_recipe.py",
     "recipes_source/README.txt",
-    "recipes_source/amx.rst",
     "recipes_source/compiling_optimizer.rst",
     "recipes_source/compiling_optimizer_lr_scheduler.py",
     "recipes_source/distributed_optim_torchscript.rst",

recipes_index.rst

@@ -191,15 +191,6 @@ from our full-length tutorials.
    :link: recipes/inference_tuning_on_aws_graviton.html
    :tags: Model-Optimization
 
-.. Leverage Advanced Matrix Extensions
-
-.. customcarditem::
-   :header: Leverage Intel® Advanced Matrix Extensions
-   :card_description: Learn to leverage Intel® Advanced Matrix Extensions.
-   :image: _static/img/thumbnails/cropped/generic-pytorch-logo.png
-   :link: recipes/amx.html
-   :tags: Model-Optimization
-
 .. (beta) Utilizing Torch Function modes with torch.compile
 
 .. customcarditem::
@@ -376,7 +367,6 @@ from our full-length tutorials.
    recipes/torch_export_aoti_python
    recipes/recipes/tensorboard_with_pytorch
    recipes/inference_tuning_on_aws_graviton
-   recipes/amx
    recipes/torch_compile_torch_function_modes
    recipes/compiling_optimizer_lr_scheduler
    recipes/foreach_map

recipes_source/amx.rst

@@ -40,6 +40,7 @@
     "recipes/bundled_inputs.html": "../index.html",
     "recipes/recipes_index.html": "../recipes_index.html",
     "recipes/torchserve_vertexai_tutorial.html": "../index.html",
+    "recipes/amx.html": "../index.html",
     "unstable_source/vulkan_workflow.rst": "../index.html",
     "unstable/skip_param_init.html": "https://docs.pytorch.org/tutorials/recipes/recipes/module_load_state_dict_tips.html",
     "unstable_source/backend_config_tutorial.rst": "../index.html",