Fixes a nasty issue in gtest's template instantiation.

include/gtest/gtest.h

@@ -163,18 +163,6 @@ class UnitTestImpl* GetUnitTestImpl();
 void ReportFailureInUnknownLocation(TestPartResult::Type result_type,
                                     const std::string& message);
 
-// Converts a streamable value to an std::string.  A NULL pointer is
-// converted to "(null)".  When the input value is a ::string,
-// ::std::string, ::wstring, or ::std::wstring object, each NUL
-// character in it is replaced with "\\0".
-// Declared in gtest-internal.h but defined here, so that it has access
-// to the definition of the Message class, required by the ARM
-// compiler.
-template <typename T>
-std::string StreamableToString(const T& streamable) {
-  return (Message() << streamable).GetString();
-}
-
 }  // namespace internal
 
 // The friend relationship of some of these classes is cyclic.