Former HBOS chief Sir James Crosby has also announced today that he will stand down as a trustee of charity Cancer Research UK.
He said he had made the decision "with great personal sadness," but that he wanted to "put their interests firmly before mine".
He also said in the statement that he was "deeply sorry for what happened at HBOS" and that he has "always tried to act with integrity and to the best of my abilities".
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The footage, taken from a dead Islamic State militant, shows the fighters in a chaotic and panicked battle with Peshmerga forces.
Solicitors acting for 20 of the families said they were "appalled to see the shambles in South Yorkshire Police" following the inquest.
The two men are accused of meeting with Mohamed Abrini and giving him money.