Simplify HID device usage instructions in README

Removed redundant instruction about configuring HID devices and clarified power requirements for USB devices.

Author: sebromero

README.md

@@ -92,6 +92,5 @@ Tested with: basic wired mouse Genius X-Scroll GM-110020, new model GamingX Trus
 
 
 ### Keyboard and Mouse
-In order to use two (or more) HID devices connected via a USB hub to your Portenta C33 board, please open "tusb_config.h" and make sure that "CFG_TUH_HUB" is set to value 1, and that "CFG_TUH_HID" is set to the number of HID  devices you intend to connect to your Arduino (2 in this example). 
-Please also keep in mind that some keyboards and mice which include advanced illumination features might draw more power than the Arduino is able to provide on its
+Please keep in mind that some keyboards and mice which include advanced illumination features might draw more power than the Arduino is able to provide on its
 USB-A port and might therefore lead to a reset or failure to be enumerated by the board. Ideally, use basic USB keyboards and mice, these should work best.