remove print statements from function

[ajtritt]

Remove hidden print statements nestled in hdmf.spec.write.export_spec

hdmf/src/hdmf/spec/write.py

Lines 252 to 259 in a115dc6

	print('Creating file {output_dir}/{ext_path} with {new_data_types_count} data type{pluralize}'.format(
	pluralize=pluralize, output_dir=output_dir, ext_path=ext_path,
	new_data_types_count=len(new_data_types)))
	for data_type in new_data_types:
	ns_builder.add_spec(ext_path, data_type)
	print('Creating file {output_dir}/{ns_path}'.format(output_dir=output_dir, ns_path=ns_path))