MAINT: Disable book style PDF (#233)

Author: mmcky

.github/workflows/ci.yml

@@ -46,12 +46,12 @@ jobs:
           name: build-cache
           path: _build
       # Build Assets (Download Notebooks and PDF via LaTeX)
-      - name: Build PDF from LaTeX
-        shell: bash -l {0}
-        run: |
-          jb build lectures --builder pdflatex --path-output ./ -n --keep-going
-          mkdir -p _build/html/_pdf
-          cp -u _build/latex/*.pdf _build/html/_pdf
+      # - name: Build PDF from LaTeX
+      #   shell: bash -l {0}
+      #   run: |
+      #     jb build lectures --builder pdflatex --path-output ./ -n --keep-going
+      #     mkdir -p _build/html/_pdf
+      #     cp -u _build/latex/*.pdf _build/html/_pdf
       - name: Build Download Notebooks (sphinx-tojupyter)
         shell: bash -l {0}
         run: |

.github/workflows/publish.yml

@@ -50,12 +50,12 @@ jobs:
           name: build-cache
           path: _build
       # Build Assets (Download Notebooks and PDF via LaTeX)
-      - name: Build PDF from LaTeX
-        shell: bash -l {0}
-        run: |
-          jb build lectures --builder pdflatex --path-output ./ -n --keep-going
-          mkdir -p _build/html/_pdf
-          cp -u _build/latex/*.pdf _build/html/_pdf
+      # - name: Build PDF from LaTeX
+      #   shell: bash -l {0}
+      #   run: |
+      #     jb build lectures --builder pdflatex --path-output ./ -n --keep-going
+      #     mkdir -p _build/html/_pdf
+      #     cp -u _build/latex/*.pdf _build/html/_pdf
       - name: Build Download Notebooks (sphinx-tojupyter)
         shell: bash -l {0}
         run: |