Enatega Rider Application : Remove text under the input field

Describe the bug
Remove text under the input field , once user entered any amount this text line should be removed immediately once an amount is entered in the field.

To Reproduce
Steps to reproduce the behavior:

Go to 'Enatega Rider Application'
Click on 'Wallet' menu button.
See error on opened screen below the input field.

Expected behavior
A text message appears under the input field initially (e.g., "Please enter an amount").
As soon as the user types any amount, the text should disappear immediately.
If the user clears the input field, the text should reappear.

Smartphone (please complete the following information):

Device: [e.g. Infinix Hot 50 ]
OS: [e.g. Android ]
Browser [e.g. Application]
Version [e.g. Latest]

Start at the Enatega Rider Application's Wallet screen and trace the input field and its validation message. Reproduce the behavior by entering and clearing an amount, then verify that the message disappears while the field has a value and reappears when it is empty.

Written by the indexing model from the issue text.