IP address is basic information that is collected from a server or computer and can not be excluded from Computer Discovery. However, there is an option to modify the Computer Information report for not showing IP address data.
1- Copy the Computer Information to your "My Reports".
2- Select the report, then click "Edit".

3- Click "Fields", then select "Is Primary Address (Address)" field and click "Remove".

4- Click "Layout" and click "Edit".

5- Remove the following Address fields from the report layout.

6- Right-click each of the address lines and then click on "Delete" and then click on "Row" and click "Ok".

7- Run the report and it should not show any IP address information anymore. Below you may see an example showing IP address before modifying the report and another example after modifying the report:
Before Modifying Report:
After Modifying Report: