[Doc] Remove duplicate "crypto" entry from TOC
[Doc] Remove duplicate "crypto" entry from TOC

Crypto already has generated API documentation, the link to the w3c
article is not necessary.

Change-Id: Ic5d3d58ac906898a64cb0e087646765d0e5f13ab

eclipsesource/tabris-js,eclipsesource/tabris-js,eclipsesource/tabris-js