clean package-lock version
clean package-lock version

- this makes `npm ls --prod` exits with code 0.

plotly/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,plotly/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,etpinard/plotly.js,aburato/plotly.js,aburato/plotly.js