docs: how to write Structured data

Author: bednar

MIGRATION_GUIDE.md

@@ -192,40 +192,25 @@ from influxdb import SeriesHelper
 
 my_client = InfluxDBClient(host='127.0.0.1', port=8086, username='root', password='root', database='dbname')
 
-class MySeriesHelper(SeriesHelper):
-    """Instantiate SeriesHelper to write points to the backend."""
 
+class MySeriesHelper(SeriesHelper):
     class Meta:
-        """Meta class stores time series helper configuration."""
-
-        # The client should be an instance of InfluxDBClient.
         client = my_client
-
-        # The series name must be a string. Add dependent fields/tags
-        # in curly brackets.
         series_name = 'events.stats.{server_name}'
-
-        # Defines all the fields in this time series.
         fields = ['some_stat', 'other_stat']
-
-        # Defines all the tags for the series.
         tags = ['server_name']
-
-        # Defines the number of data points to store prior to writing
-        # on the wire.
         bulk_size = 5
-
-        # autocommit must be set to True when using bulk_size
         autocommit = True
 
+
 MySeriesHelper(server_name='us.east-1', some_stat=159, other_stat=10)
 MySeriesHelper(server_name='us.east-1', some_stat=158, other_stat=20)
 
 MySeriesHelper.commit()
 ```
 
-There `influxdb-client-python` doesn't have an equivalent implementation for `MySeriesHelper`, but there is an option
-to use Python [Data Classes](https://docs.python.org/3/library/dataclasses.html) way.
+The `influxdb-client-python` doesn't have an equivalent implementation for `MySeriesHelper`, but there is an option
+to use Python [Data Classes](https://docs.python.org/3/library/dataclasses.html) way:
 
 **influxdb-client-python**