docs(hardware): remove Raspberry Pi Zero 2WH references and workarounds

- Remove Raspberry Pi Zero 2WH support from 2-mic v1 documentation
- Remove obsolete workaround section for Raspberry Pi Zero 2W in ReSpeaker Lite documentation
- Clean up whitespace in hardware files

Author: florian-asche

docs/hardware_2mic_v1.md

@@ -3,7 +3,6 @@
 <img src="respeaker_2michats.webp" alt="ReSpeaker 2-Mics Pi HAT" style="width: 300px; height: auto;"></img>
 
 Features:
-- Support the Raspberry Pi Zero 2WH
 - Two microphones (Mic L and Mic R)
 - Two Grove connectors
 - One User-defined button

docs/hardware_respeaker_lite.md

@@ -9,7 +9,6 @@ Features:
 - Interference Cancellation (IC)
 - Voice-to-Noise Ratio (VNR)
 
-
 ## Order
 
 ### Base:
@@ -27,10 +26,6 @@ Features:
 
 ## Important information:
 
-### Workaround:
-
-In connection with the Raspberry Pi Zero 2W there is a bug in RPI-OS where the board stops working after 7 or 8 sound outputs with a reconnect to the audio card. I implemented a workaround for that where a constant not hearable output is played to the card.
-
 ### Firmware:
 
 In order to use this board with the Raspberry Pi Zero 2W you need to flash the usb-firmware. <br>