bin/oembed_httpd.js: remove EMBEDLY_KEY
bin/oembed_httpd.js: remove EMBEDLY_KEY

I accidently committed it, but renewed it anyway :)

astro/node-oembed,simong/node-oembed,aendrew/oembed.ts,astro/node-oembed,simong/node-oembed,aendrew/oembed.ts