Partially revert r168100

In r168100, I mis-committed an unnecessary change to wtf/ to fix compile failure.
(The wtf/ change became unnecessary because the compile failure was fixed
in https://codereview.chromium.org/182733004/.)
This CL reverts the wtf/ part of r168100.

TBR=tkent
NOTRY=true

Review URL: https://codereview.chromium.org/176883010

git-svn-id: svn://svn.chromium.org/blink/trunk@168121 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/wtf/GetPtr.h

@@ -35,11 +35,6 @@ namespace WTF {
         return &p;
     }
 
-    template <typename T> inline T* getPtr(RawPtr<T> p)
-    {
-        return p.get();
-    }
-
 } // namespace WTF
 
 #endif // WTF_GetPtr_h