Remove faulty CHECK() statement.

TBR=svenpanne@chromium.org
BUG=none
LOG=n

Review URL: https://codereview.chromium.org/67463003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17880 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/v8.cc

@@ -197,7 +197,6 @@ void V8::InitializeOncePerProcess() {
 
 
 void V8::InitializePlatform(v8::Platform* platform) {
-  ASSERT(!platform_);
   ASSERT(platform);
   platform_ = platform;
 }