platform_ToolchainOptions: unwhitelist gtalk plugin

The gtalk plugin is built PIE and with non-exec stack now. This removes
it from the white list files.

BUG=chrome-os-partner:15814
TEST=daisy build, platform_ToolchainOptions passes

Change-Id: Ic7327453fa1e5c4c30bbcb4ec4e19f06e4e546ed
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/40912
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
2 files changed