chore: clean up data cleaning residue (GoogleCloudPlatform#7188)

Author: dandhlee

data-science-onramp/data-processing/README.md

@@ -1,8 +1,8 @@
-# Data Science Onramp - Data cleaning
+# Data Science Onramp - Data processing
 
 ## Testing Data
 
 - [Citibike trips](https://pantheon.corp.google.com/bigquery?p=bigquery-public-data&d=new_york_citibike&t=citibike_trips&project=data-science-onramp&folder=&organizationId=) from BigQuery public dataset
 - Output of data ingestion code
 - Differences from original dataset: the dataset was purposely made dirty so that it could be cleaned for a data science tutorial
-- License: Public Domain
+- License: Public Domain

data-science-onramp/data-processing/process.py

@@ -160,7 +160,7 @@ def compute_end_udf(duration, start, end):
     TABLE = sys.argv[2]
 
     # Create a SparkSession, viewable via the Spark UI
-    spark = SparkSession.builder.appName("data_cleaning").getOrCreate()
+    spark = SparkSession.builder.appName("data_processing").getOrCreate()
 
     # Load data into dataframe if table exists
     try: