That’s pretty much the summary of the article:
“After the Trump administration criticized the use of what it called “racial proxies,” the group behind the SAT shut down a way for universities to identify promising applicants from disadvantaged communities.”
and from the body of the article:
“Landscape had been under review by an anti-affirmative-action group, Students for Fair Admissions, whose lawsuits against Harvard and the University of North Carolina-Chapel Hill resulted in the Supreme Court ruling. The decision by the College Board to withdraw the tool seemed very likely to be related to the defensive posture that many schools are adopting in response to the conservative assault against the use of race in college admissions.”