Change or remove some dead links (fixes #181)

_data/CS118.yml

@@ -39,6 +39,6 @@ Questions :
         - Leon Chipchase
     - name : Anki flash cards
       description : simply download the CS118 deck and import it with Anki.
-      link: https://github.com/bora-7/Anki-Flashcards-Year-1/raw/main/Programming%20for%20Computer%20Scientists%20-%20CS118.apkg
+      link: https://github.com/bora-7/Anki-Flashcards/raw/main/year%201/Programming%20for%20Computer%20Scientists%20-%20CS118.apkg
       authors:
         - Bora Akyuz

_data/CS130.yml

@@ -25,6 +25,6 @@ Questions :
   altQuestions:
     - name : Anki flashcards
       description : Download and import with Anki
-      link : https://github.com/bora-7/Anki-Flashcards-Year-1/raw/main/Discrete%20Mathematics%20-%20CS130.apkg
+      link : https://github.com/bora-7/Anki-Flashcards/raw/main/year%201/Discrete%20Mathematics%20-%20CS130.apkg
       authors:
         - Bora Akyuz

_data/CS131.yml

@@ -31,9 +31,6 @@ CribSheets :
     description: crib sheet for question types
     authors:
       - Akram Ahmad
-  - name: Summary of key results
-    description : summary notes of key results, again made by the module organiser (not hosted here, and only accessible using a Warwick ITS account)
-    link: https://warwick.ac.uk/fac/sci/dcs/teaching/material/cs131/revision_summary.pdf
 
 
 Questions :
@@ -46,12 +43,7 @@ Questions :
         - Antonio Brito
     - name : Anki flashcards
       description : Download and import with Anki
-      link : https://github.com/bora-7/Anki-Flashcards-Year-1/raw/main/Maths%20for%20CS%20-%20CS131.apkg
+      link : https://github.com/bora-7/Anki-Flashcards/raw/main/year%201/Maths%20for%20CS%20-%20CS131.apkg
       authors:
         - Bora Akyuz
-    - name : Further Maths overlap
-      description : More practice questions can be found by visiting Callum Whitfield's revision website and signing up using your university email address. The site allows you to practice Further Maths questions (of which there is overlap with 131) and dynamically chooses questions depending on your performance!
-      link : https://mathrevision.pythonanywhere.com
-      authors:
-        - Callum Whitfield
 

_data/CS132.yml

@@ -30,7 +30,7 @@ Notes:
 
 CribSheets :
   - name: logic_circuits
-    link: http://fbcf.xyz/resources/doc/cheatsheet.pdf
+    link: https://github.com/efbicief/efbicief.github.io/blob/master/resources/doc/cheatsheet.pdf
     description: reference for common logic circuits and their diagrams <a href="logic_circuits/logiccircuitsheet.pdf">(mirror)</a>
     authors:
       - Felix Bowyer

_data/CS139.yml

@@ -38,6 +38,6 @@ Questions :
         - Leon Chipchase
     - name : Anki flashcards
       description : Download and import with Anki
-      link : https://github.com/bora-7/Anki-Flashcards-Year-1/raw/main/Web%20Development%20Technologies%20-%20CS139.apkg
+      link : https://github.com/bora-7/Anki-Flashcards/raw/main/year%201/Web%20Development%20Technologies%20-%20CS139.apkg
       authors:
         - Bora Akyuz