docs: Remove header image from inline docs (#2045)

Committed via a GitHub action: https://github.com/tauri-apps/plugins-workspace/actions/runs/11820048464

Co-authored-by: FabianLars <[email protected]>

Author: FabianLars

src/lib.rs

@@ -2,8 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-License-Identifier: MIT
 
-//! [![](https://github.com/tauri-apps/plugins-workspace/raw/v2/plugins/updater/banner.png)](https://github.com/tauri-apps/plugins-workspace/tree/v2/plugins/updater)
-//!
 //! In-app updates for Tauri applications.
 //!
 //! - Supported platforms: Windows, Linux and macOS.crypted database and secure runtime.