PHILADELPHIA — NHL playoff dreams typically don’t die as much as they slowly fade away. By the time the death warrant is officially signed, the hockey team patient, and even die-hard fans, usually have long since come to terms with that mortality. Worth keeping in mind after the Kraken opened their final 32-game stretch with a 3-2 regulation loss to the Philadelphia Flyers on a Saturday night that underscored their uphill climb in salvaging a return to last spring’s playoff party. “We did enough offensively to put ourselves in a position to gain a point,” Kraken coach Dave Hakstol said, but ad…