Billie Eilish is coming for Taylor Swift’s crown. The 22-year-old singer-songwriter has her sights set on the number-one spot and is going to great lengths to demolish the competition, RadarOnline.com has learned. In an unprecedented move, Billie’s less-than-a-week-old album has been discounted to $4.99 in a shocking attempt to try and topple Taylor from chart domination — and it appears to be working. We did some digging and several of Billie’s songs from her Hit Me Hard and Soft album surpassed Swift’s The Tortured Poets Department hits on Thursday’s Spotify Top 50 – USA. As of this post, Bi…