By Hyunjoo Jin SAN FRANCISCO (Reuters) – Tesla Inc said on Tuesday it will remove ultrasonic sensors from its vehicles starting this month, as it moves ahead with using only cameras in its safety and driver-assistant features. Tesla vehicles now have 12 ultrasonic sensors on the front and rear bumpers, and short-range sound sensors are mainly used in parking applications and to detect close objects. “It’ll save them a few dollars. I mean those things are pretty cheap,” Guidehouse Insights analyst Sam Abuelsamid said, referring to ultrasonic sensors. “It’ll also save them some chips.” Tesla las…