simplify build script

Author: Archmonger

src/py/reactpy/scripts/copy_js_output.py

@@ -3,11 +3,6 @@
 
 output_dir = Path(__file__).parent.parent / "reactpy" / "_static"
 source_dir = Path(__file__).parent.parent.parent.parent / "js" / "app" / "dist"
-
-# Remove the output directory if it exists
 rmtree(output_dir, ignore_errors=True)
-
-# Copy the source directory to the output directory
 copytree(source_dir, output_dir)
-
 print("JavaScript output copied to reactpy/_static")