By Tyler Clifford NEW YORK (Reuters) – Neil Young has threatened to pull his music from the Spotify streaming service in protest of its relationship with podcaster Joe Rogan, who the prolific singer-songwriter accuses of spreading misinformation about COVID-19, according to media reports on Tuesday. Young, who survived polio as a child, briefly posted a letter on his website addressed to his manager and his record label, Warner Music Group, demanding that Spotify no longer carry his music. The letter was later deleted. “I want you to let Spotify know immediately TODAY that I want all my music …