Update text on Name Request homepage

### Description

Clients and staff noticed this text on the Name Request homepage is incorrect:

### TO DO

- [ ] Remove the highlighted sentence.

The final text should read:

> Exact name in use. You must use (assume) a new name unless you can obtain consent to use this name.
> You will be able to enter up to two Assumed Name choices as part of the name request submission process.
> Assumed Names must be reviewed by Registries staff.

Start at the Name Request homepage in the JavaScript/Vue frontend and locate the highlighted sentence shown in the issue. Remove that sentence and verify that the displayed text matches the three lines specified in the issue.

Written by the indexing model from the issue text.