Merge pull request #6601 from per1234/remove-BULLM-Extend-Motor-registry

Remove "BULLM-Extend-Motor" from registry

Author: MatteoPologruto

registry.txt

@@ -8174,7 +8174,6 @@ https://github.com/phuongnamzz/HLK-LD2410S.git|Contributed|HLK-LD2410S
 https://github.com/danel32/Arduino-Library-for-MAX7300.git|Contributed|MAX7300
 https://github.com/SpaceTrekKSC/MakerBox.git|Contributed|SpaceTrek MakerBox
 https://github.com/mirosieber/OPT300x.git|Contributed|OPT300x
-https://github.com/bull-m/BULLM-Extend-Motor.git|Contributed|BULLM-Extend-Motor
 https://github.com/esharp17/Mecanum_Base.git|Contributed|MecanumBase
 https://github.com/aiplayuser/esp32easylib.git|Contributed|esp32easylib
 https://github.com/brianvarren/EEncoder.git|Contributed|EEncoder