[Pkg-javascript-devel] Remove unmaintained package

[Xavier]

Hi,

looking at UDD, we have a some packages that were not in testing for a
long time and could be considered as orphaned.
If no one disagree, I'll ask their removal:

           PACKAGE        TIME IN QUEUE
 * node-carto               2103 days
 * node-yawl                1472 days
 * pdf.js                   1135 days, buggy
 * node-jsdom               1016 days
 * validator.js              932 days
 * node-xterm                785 days
 * node-shell-quote          714 days, buggy
 * node-katex                603 days
 * node-diffie-hellman       586 days, unmaintained upstream
 * node-stream-to-observable 581 days
 * node-postcss-load-options 536 days
 * node-postcss-load-plugins 536 days
 * node-postcss-load-config  532 days
 * node-cosmiconfig          427 days
 * node-react                282 days
 * node-prismjs              260 days
 * node-worker-loader        245 days
 * node-cache-loader         233 days