You would need to create a custom Grid controller for your section. First up, you can generate controller code just like it is described here, specifying pageType: Terrasoft.PageTypes.Grid and selecting your section name. Then you should add a dependency to your grid in the manifest. You can use InvoiceMobile package as an example: https://prnt.sc/rpypgw - grid, and manifest - https://prnt.sc/rpyq0a.
Then, in the Terrasoft.view.BaseGridPage.View there is an object that is responsible for filter panel. This object has a function to show and hide: https://prnt.sc/rpyqsr. So in your grid view you would be able to get the filterpanel and then use function to hide it: