Same folks who shitcanned the Expanded Universe:
> On April 25, 2014, Lucasfilm rebranded most of the Expanded Universe material with the exception of The Clone Wars as Star Wars Legends and declared it non-canonical to the franchise. The company's focus would be shifted towards a restructured Star Wars canon based on new material.[60][63][64] Chee said in a 2014 Twitter post that a "primary goal" of the story group would be to replace the previous hierarchical canon (of the Holocron) with one cohesive one.[58] […]
* https://en.wikipedia.org/wiki/Star_Wars_in_other_media#Disne...