Remove support from ArgumentEncoder for deprecated encode functions
https://bugs.webkit.org/show_bug.cgi?id=108155

Reviewed by Dan Bernstein.

* Platform/CoreIPC/ArgumentEncoder.h:
(CoreIPC::ArgumentEncoder::encode):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141061 268f45cc-cd09-0410-ab3c-d52691b4dbfc