[BL/IO] Remove unused Writer::setFormat().

BaseLib/IO/Writer.cpp

@@ -70,11 +70,5 @@ void Writer::setPrecision(unsigned int precision)
 {
     _out.precision(precision);
 }
-
-void Writer::setFormat(std::ios_base::fmtflags flags)
-{
-    _out.setf(flags);
-}
-
-} // namespace IO
-} // namespace BaseLib
+}  // namespace IO
+}  // namespace BaseLib

BaseLib/IO/Writer.h

@@ -43,9 +43,6 @@ public:
     /// @brief Sets the decimal precision.
     void setPrecision(unsigned int precision);
 
-    /// @brief Sets the format (either ios::scientific or ios::fixed);
-    void setFormat(std::ios_base::fmtflags flags);
-
 protected:
     /// @brief Writes the object to the internal stream.
     /// This method must be implemented by a subclass.