Removed Blackberry #ifdefs and platform code from JavaScriptCore

https://bugs.webkit.org/show_bug.cgi?id=126757

Reviewed by Sam Weinig.

* PlatformBlackBerry.cmake: Removed.
* heap/HeapTimer.cpp:
* heap/HeapTimer.h:
* heap/IncrementalSweeper.cpp:
* heap/IncrementalSweeper.h:
* jsc.cpp:
(main):
* runtime/GCActivityCallbackBlackBerry.cpp: Removed.
* runtime/MemoryStatistics.cpp:
(JSC::globalMemoryStatistics):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161650 268f45cc-cd09-0410-ab3c-d52691b4dbfc