remove unused and temp files from TOC

Author: jeremymanning

content/_toc.yml

@@ -6,24 +6,6 @@ parts:
     - file: instructions
     - file: admin/syllabus
     - file: outline
-    - file: themes/intro
-    - file: themes/hopfield_networks
-    - file: themes/free_recall
-      sections:
-      - file: themes/sam_model
-    - file: themes/data_science_primer
-    - file: themes/memory_timescales_i
-      sections:
-      - file: themes/temporal_context_model
-    - file: themes/memory_timescales_ii
-      sections:
-      - file: themes/laplace_transform
-      - file: themes/laplace_tcm
-    - file: themes/biologically_inspired_networks
-    - file: themes/deep_networks
-    - file: themes/final_projects/README
-      sections:
-      - file: themes/final_projects/placeholder.md
   - caption: Slides
     chapters:
       - file: slides/week_1