Wouldn’t it be awful.That’s how John Stamos felt having to break it to Mike Love that his Beach Boys bandmate — and cousin Brian Wilson — died at 82 on Wednesday. The “Full House” actor, who has been an honorary Beach Boy playing drums and guitar with the band for 40 years, was traveling with Love when he received the heartbreaking news. “I was with Mike, I got off the plane, and I got the text,” Stamos, 61, exclusively told The Post on the red carpet of the Songwriters Hall of Fame induction ceremony on Thursday before he enshrined Love...