cmGeneratedFileStream: Drop unused WriteRaw method

It has been superseded by `WriteAltEncoding`.

Source/cmGeneratedFileStream.cxx

@@ -14,11 +14,10 @@
 #endif
 
 cmGeneratedFileStream::cmGeneratedFileStream(Encoding encoding)
-  : OriginalLocale(this->getloc())
 {
 #ifndef CMAKE_BOOTSTRAP
   if (encoding != codecvt::None) {
-    this->imbue(std::locale(this->OriginalLocale, new codecvt(encoding)));
+    this->imbue(std::locale(this->getloc(), new codecvt(encoding)));
   }
 #else
   static_cast<void>(encoding);
@@ -252,14 +251,3 @@ void cmGeneratedFileStream::WriteAltEncoding(std::string const& data,
   this->write(data.data(), data.size());
 #endif
 }
-
-void cmGeneratedFileStream::WriteRaw(std::string const& data)
-{
-#ifndef CMAKE_BOOTSTRAP
-  std::locale activeLocale = this->imbue(this->OriginalLocale);
-  this->write(data.data(), data.size());
-  this->imbue(activeLocale);
-#else
-  this->write(data.data(), data.size());
-#endif
-}

Source/cmGeneratedFileStream.h

@@ -152,14 +152,4 @@ public:
    * Afterward, the original encoding is restored.
    */
   void WriteAltEncoding(std::string const& data, Encoding encoding);
-
-  /**
-   * Writes the given string directly to the file without changing the
-   * encoding.
-   */
-  void WriteRaw(std::string const& data);
-
-private:
-  // The original locale of the stream (performs no encoding conversion).
-  std::locale OriginalLocale;
 };