Cleaning up deprecated kurento video and screensharing apps

labs/kurento-html5-video/.gitignore

labs/kurento-html5-video/README.md

labs/kurento-html5-video/config/default.yml

labs/kurento-html5-video/keys/README.md

labs/kurento-html5-video/keys/server.crt

labs/kurento-html5-video/keys/server.csr

labs/kurento-html5-video/keys/server.key

labs/kurento-html5-video/lib/video.js

labs/kurento-html5-video/lib/websocket.js

labs/kurento-html5-video/package.json

labs/kurento-html5-video/server.js

labs/kurento-screenshare/.gitignore

labs/kurento-screenshare/README.md

labs/kurento-screenshare/config/default.yml

labs/kurento-screenshare/debug-start.sh

labs/kurento-screenshare/keys/README.md

labs/kurento-screenshare/keys/server.crt

labs/kurento-screenshare/keys/server.csr

labs/kurento-screenshare/keys/server.key

labs/kurento-screenshare/lib/ConnectionManager.js