Adam Levine left The Voice in 2019, but is now making a comeback despite how vocal he was about the workload. He “didn’t miss how much he had to work” and spent the last few years with family. Now the judge is “well-rested,” Adam is itching to get back on The Voice panel. The OG is “back in the building,” teasing that the upcoming season will be “different” in a promo clip. Adam Levine left The Voice in 2019Adam Levine left The Voice five years ago, to spend more time with his family. “I was ready to not be doing it anymore, I think for a little bit,” he admitted on The Howard Stern Show in 20…