[webapi] Remove In-App Purchase test suite from IVI TCT
[webapi] Remove Imports test suite from IVI TCT
[webapi] Remove HTML5 Input test suite from IVI TCT
[webapi] Remove W3C Messaging test suite from IVI TCT
[webapi] Remove Native File System test suite from IVI TCT
[webapi] Remove HTML5 Picture test suite from IVI TCT