Per the federal register it is still in effect and has not been revoked.
https://www.federalregister.gov/presidential-documents/executive-orders/donald-trump/2019
EO 13887:
Modernizing Influenza Vaccines in the United States to Promote National Security and Public Health
Signed:09/19/2019
Published:09/24/2019
FR Citation:84 FR 49935
FR Doc. Number:2019-20804
We don’t need any more of the current idea of modernization. It’s been a travesty, and the government reaction has done nothing but make it worse.