Optimize Unicode encoding fix for stdout

- Simplify UTF-8 encoding solution using TextIOWrapper directly
- Remove complex fallback logic for more efficient approach
- Maintains cross-platform Unicode support for Windows stdout

Author: nikolay-e

src/treemapper/writer.py

@@ -43,18 +43,12 @@ def write_tree_content(f: TextIO) -> None:
     if output_file is None:
         # Write to stdout with proper UTF-8 encoding
         # On Windows, sys.stdout might use cp1252 encoding which can't handle Unicode
-        # We need to ensure UTF-8 encoding for proper Unicode support
-        if hasattr(sys.stdout, "reconfigure"):
-            # Python 3.7+ has reconfigure method
-            sys.stdout.reconfigure(encoding="utf-8")
-            write_tree_content(sys.stdout)
-        else:
-            # Fallback for older Python versions or systems without reconfigure
-            import io
+        import io
 
-            utf8_stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
-            write_tree_content(utf8_stdout)
-            utf8_stdout.flush()
+        # Use TextIOWrapper to ensure UTF-8 encoding for stdout
+        utf8_stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8", newline="")
+        write_tree_content(utf8_stdout)
+        utf8_stdout.flush()
         logging.info("Directory tree written to stdout")
     else:
         # Write to file