NEW YORK — Kevin Durant said he wanted to “beat the snot out of” the New Orleans Pelicans in the season opener. It was the Pelicans who did the beating and the Nets who left boogers all over their home floor. The Nets walked out of Barclays Center battered, bruised and with their tails between their legs after taking a thumping on opening night. They never led, only held the momentum once — when cutting into the deficit entering halftime — and trailed by as many as 26 in their 130-108 loss to the Pelicans on Wednesday. It. Was. Embarrassing. It was particularly embarrassing for both Kyrie Irvi…