.nivo-caption { display: none !important; }
Please do this changes and let me know your feedback.
If still getting you can also send WordPress admin login details for temporary at support@gracethemes.com so we can check and assist you.
Regards
Grace Themes Reply To: How to Remove Slider Page Title & Box from Eatershop theme
Hi Akash,
To remove the slider caption box
Go to Appearance -> Theme options -> Basic Settings -> Custom CSS
ans add below css code