Delete custom trait step [netlify-build]

Author: pwseg

src/engage/profiles/csv-upload.md

@@ -44,12 +44,6 @@ Upload a CSV file to Twilio Engage in two ways:
 - Drag and drop the CSV file in the dropzone.
 - Click **Browse** to locate the CSV file.
 
-### 4. Name your custom trait
-
-Every time you upload a file, you have the option to add a custom trait to user profiles in the CSV. Use custom traits to help you [create audiences](/docs/engage/audiences/#building-an-audience) or send messages to a specific group of users. You can also add an existing custom trait name from your Segment workspace to the list of users in the CSV file.
-
-[Custom traits](/docs/unify/traits/custom-traits/) display in the Custom Traits tab of a user profile in the Profile explorer. 
-
 ## Work with the CSV template
 
 Keep the following in mind as you fill out your CSV template.