Remove superfluous anticipatory sentence re: UNO R4 WiFi HID examples

The sentence doesn't offer anything of value and creates an unnecessary dependence between the section that contains it
and those that follow, making it difficult to add new content.

Author: per1234

Diff for: content/hardware/02.hero/boards/uno-r4-wifi/tutorials/usb-hid/usb-hid.md

@@ -36,8 +36,6 @@ To turn your board into an HID, you can use the **keyboard/mouse** API that is b
 - [Keyboard](https://www.arduino.cc/reference/en/language/functions/usb/keyboard/)
 - [Mouse](https://www.arduino.cc/reference/en/language/functions/usb/mouse/)
 
-In the section below, you will a couple of useful examples to get you started!
-
 ## Keyboard
 
 To use keyboard functionalities, we need to include the library at the top of our sketch. The Keyboard class contains several methods that are useful to emulate a keyboard.