get rid of flask tutorials (#3403)

* get rid of flask tutorials

* revert changes to link PR checker

Author: msaroufim

.jenkins/validate_tutorials_built.py

@@ -48,7 +48,6 @@
     "recipes_source/recipes/timer_quick_start",
     "recipes_source/recipes/amp_recipe",
     "recipes_source/recipes/Captum_Recipe",
-    "intermediate_source/flask_rest_api_tutorial",
     "intermediate_source/text_to_speech_with_torchaudio",
     "intermediate_source/tensorboard_profiler_tutorial", # reenable after 2.0 release.
     "advanced_source/semi_structured_sparse", # reenable after 3303 is fixed.

.lycheeignore

@@ -13,8 +13,5 @@ https://pytorch.org/tutorials/beginner/colab/n
 # Ignore local host link from intermediate_source/tensorboard_tutorial.rst
 http://localhost:6006
 
-# Ignore local host link from recipes_source/deployment_with_flask.rst
-http://localhost:5000/predict 
-
 # Ignore local host link from advanced_source/cpp_frontend.rst 
 https://www.uber.com/blog/deep-neuroevolution/

index.rst

@@ -322,14 +322,6 @@ Welcome to PyTorch Tutorials
 
 .. Deploying PyTorch Models in Production
 
-
-.. customcarditem::
-   :header: Deploying PyTorch in Python via a REST API with Flask
-   :card_description: Deploy a PyTorch model using Flask and expose a REST API for model inference using the example of a pretrained DenseNet 121 model which detects the image.
-   :image: _static/img/thumbnails/cropped/Deploying-PyTorch-in-Python-via-a-REST-API-with-Flask.png
-   :link: intermediate/flask_rest_api_tutorial.html
-   :tags: Production
-
 .. customcarditem::
    :header: Introduction to TorchScript
    :card_description: Introduction to TorchScript, an intermediate representation of a PyTorch model (subclass of nn.Module) that can then be run in a high-performance environment such as C++.
@@ -1005,7 +997,6 @@ Additional Resources
    :caption: Deploying PyTorch Models in Production
 
    beginner/onnx/intro_onnx
-   intermediate/flask_rest_api_tutorial
    beginner/Intro_to_TorchScript_tutorial
    advanced/cpp_export
    advanced/super_resolution_with_onnxruntime

intermediate_source/README.txt

@@ -29,10 +29,6 @@ Intermediate tutorials
 	Spatial Transformer Networks Tutorial
 	https://pytorch.org/tutorials/intermediate/spatial_transformer_tutorial.html
 
-8. flask_rest_api_tutorial.py
-	Deploying PyTorch and Building a REST API using Flask
-	https://pytorch.org/tutorials/intermediate/flask_rest_api_tutorial.html
-
-9. nvfuser_intro_tutorial.py
+8. nvfuser_intro_tutorial.py
         Introduction to nvFuser
 	https://pytorch.org/tutorials/intermediate/nvfuser_intro_tutorial.html