Remove more old references

Author: davepagurek

src/content/tutorials/en/data-structure-garden.mdx

@@ -12,9 +12,7 @@ relatedContent:
     - en/13_classes_and_objects/01_shake_ball_bounce/description
     - en/13_classes_and_objects/02_connected_particles/description
   references:
-    - en/console/log
     - en/p5/object
-    - en/p5/return
     - en/p5/random
 authors:
   - Portia Morrell

src/content/tutorials/en/field-guide-to-debugging.mdx

@@ -6,9 +6,6 @@ category: advanced
 categoryIndex: 0
 featuredImage: ../images/featured/FieldGuide.png
 featuredImageAlt: "The title is “A Field Guide to Debugging!” and it features a black-and-white cartoon illustrations of insects, a mouse and a computer laptop in deep thought."
-relatedContent:
-  references:
-    - en/console/log
 authors:
   - Nick McIntyre
   - Jason Alderman

src/content/tutorials/en/how-to-optimize-your-sketches.mdx

@@ -8,7 +8,6 @@ featuredImage: ../images/featured/OptimizeA.png
 featuredImageAlt: The bouncing particles animation used in this tutorial displays orange circles bouncing around a dark canvas.
 relatedContent:
   references:
-    - en/console/log
     - en/p5/framerate
     - en/p5/millis
     - en/p5/min

src/content/tutorials/en/organizing-code-with-functions.mdx

@@ -9,7 +9,6 @@ featuredImageAlt: A canvas displaying a snapshot of the sunrise animation from t
 relatedContent:
   references:
     - en/p5/function
-    - en/p5/return
     - en/p5/keypressed
     - en/p5/mousepressed
 authors:

src/content/tutorials/en/variables-and-change.mdx

@@ -12,7 +12,6 @@ relatedContent:
   references:
     - en/p5/mousex
     - en/p5/mousey
-    - en/p5/types/string
     - en/p5/number
     - en/p5/let
     - en/p5/random