Delete Whole Slide Image Classification tutorial (pytorch#3592)

## Description
Delete the old Whole Slide Image Classification tutorial.
---------

Co-authored-by: sekyondaMeta <127536312+sekyondaMeta@users.noreply.github.com>

Author: 2 people

.lintrunner.toml

@@ -62,7 +62,6 @@ exclude_patterns = [
     "intermediate_source/pruning_tutorial.py",
     "intermediate_source/reinforcement_q_learning.py",
     "intermediate_source/tensorboard_profiler_tutorial.py",
-    "intermediate_source/tiatoolbox_tutorial.rst",
     "intermediate_source/torch_compile_tutorial.py",
     "intermediate_source/transformer_building_blocks.py",
     "unstable_source/README.md",
@@ -202,7 +201,6 @@ exclude_patterns=[
     "intermediate_source/forced_alignment_with_torchaudio_tutorial.rst",
     "intermediate_source/nlp_from_scratch_index.rst",
     "intermediate_source/pipeline_tutorial.rst",
-    "intermediate_source/tiatoolbox_tutorial.rst",
     "recipes_source/README.txt",
     "recipes_source/script_optimized.rst",
     "recipes_source/torch_compile_caching_configuration_tutorial.rst",

_static/img/tiatoolbox_tutorial/read_bounds_tissue.webp

@@ -150,12 +150,6 @@ Welcome to PyTorch Tutorials
    :link: intermediate/spatial_transformer_tutorial.html
    :tags: Image/Video
 
-.. customcarditem::
-   :header: Inference on Whole Slide Images with TIAToolbox
-   :card_description: Learn how to use the TIAToolbox to perform inference on whole slide images.
-   :image: _static/img/thumbnails/cropped/TIAToolbox-Tutorial.png
-   :link: intermediate/tiatoolbox_tutorial.html
-   :tags: Image/Video
 
 .. customcarditem::
    :header: Semi-Supervised Learning Tutorial Based on USB