Revert "Add smallpt as an example notebook (#235)"

This reverts commit 7a0d110.

Author: anutosh491

.github/workflows/deploy-github-page.yml

@@ -72,7 +72,6 @@ jobs:
               --XeusAddon.prefix=${{ env.PREFIX }} \
               --contents README.md \
               --contents notebooks/xeus-cpp-lite-demo.ipynb \
-              --contents notebooks/smallpt.ipynb \
               --contents notebooks/images/marie.png \
               --contents notebooks/audio/audio.wav \
               --output-dir dist

CMakeLists.txt

@@ -445,9 +445,8 @@ if(EMSCRIPTEN)
     # TODO: Remove the exported runtime methods
     # after the next xeus release.
     target_link_options(xcpp
-        PUBLIC "SHELL: -s USE_SDL=2"
         PUBLIC "SHELL: -s EXPORTED_RUNTIME_METHODS='[\"FS\",\"PATH\",\"LDSO\",\"loadDynamicLibrary\",\"ERRNO_CODES\"]'"
-        PUBLIC "SHELL: --preload-file ${SYSROOT_PATH}/@/"
+        PUBLIC "SHELL: --preload-file ${SYSROOT_PATH}/include@/include"
         PUBLIC "SHELL: --post-js ${CMAKE_CURRENT_SOURCE_DIR}/wasm_patches/post.js"
     )
     # TODO: Emscripten supports preloading files just once before it generates