Remove deprecated Three Stage diagram

diff --git a/presentations/assets/diagrams/three-stage-thinking.png b/presentations/assets/diagrams/three-stage-thinking.png
deleted file mode 100644 (file)
index 0753c18..0000000
Binary files a/presentations/assets/diagrams/three-stage-thinking.png and /dev/null differ

diff --git a/presentations/assets/diagrams/three-stage-thinking.svg b/presentations/assets/diagrams/three-stage-thinking.svg
deleted file mode 100644 (file)
index 363b99b..0000000
--- a/presentations/assets/diagrams/three-stage-thinking.svg
+++ /dev/null
@@ -1,42 +0,0 @@
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