Remove Migrated Lecture ar1_processes (#385)

* remove migrated lectures

* revert removal of scalar_dynam

* revert scalar_dynam removal

* add intersphinx tags

* apply redirect for ar1_processes to new https://intro.quantecon.org/ar1_processes.html

* fix typos

* TST: remove rerediraffe setting for ar1_processes

* configure intersphinx in yml

* add back in the reredirect as working locally

---------

Co-authored-by: mmcky <mamckay@gmail.com>

Author: HumphreyYang

lectures/_config.yml

@@ -87,9 +87,10 @@ sphinx:
         google_analytics_id: G-J0SMYR4SG3
       launch_buttons:
         colab_url                 : https://colab.research.google.com
-    intersphinx_mapping: {
-      'intro': ["https://intro.quantecon.org/", null]
-      }
+    intersphinx_mapping: 
+      intro: 
+        - "https://intro.quantecon.org/"
+        - null
     mathjax3_config:
       tex:
         macros:
@@ -102,6 +103,7 @@ sphinx:
     # Remote Redirects
     redirects:
       heavy_tails: https://intro.quantecon.org/heavy_tails.html
+      ar1_processes: https://intro.quantecon.org/ar1_processes.html
     tojupyter_static_file_path: ["source/_static", "_static"]
     tojupyter_target_html: true
     tojupyter_urlpath: "https://python.quantecon.org/"

lectures/_toc.yml

@@ -39,7 +39,6 @@ parts:
   numbered: true
   chapters:
   - file: scalar_dynam
-  - file: ar1_processes
   - file: finite_markov
   - file: inventory_dynamics
   - file: linear_models