replace jupyter notebook with python script generated from it

Makefile

@@ -32,10 +32,6 @@ benchmark_wasm_engines:
 
 benchmark: benchmark_scout_engines benchmark_wasm_engines benchmark_evm_engines benchmark_evm_precompiles
 
-# Default timeout is 30 seconds, but our cells are quite big, increase it to 120 seconds.
-# More info: https://github.com/jupyter/nbconvert/issues/256#issuecomment-188405852
-# TODO: upgrade to newer nbconvert which sets the timeout to off by default
-notebook:
-	cd notebooks && \
-	jupyter nbconvert --execute --ExecutePreprocessor.timeout=120 --to notebook --inplace wasm-engines.ipynb && \
-	python3 -m nbconvert --ClearOutputPreprocessor.enabled=True --inplace wasm-engines.ipynb # delete some cruft from the notebook to make it more VCS-friendly 
+generate_charts:
+	cd charts && \
+	python3 generate-charts.py

README.md

@@ -86,27 +86,13 @@ Run benchmarks
 make benchmark_scout_engines
 ```
 
-## Generate charts using jupyter notebooks
+## Generate charts
 
 Install python deps for plotting benchmark graphs:
 
 ```shell
 $ pip install -r requirements.txt
-```
-
-Launch a server to access generated charts in Jupyter notebooks:
-
-```shell
-$ cd notebooks
-$ jupyter-notebook
-```
-
-Follow the instructions on the console to access the notebook from the browser.
-
-Alternatively extract the images to the `images` directory by running:
-
-```shell
-$ make notebook
+$ make generate_charts
 ```
 
 ## EVM engine versions