She will leave her role at the end of the month, Trump said.
Jeanine John Taele, 38, of Downey, was arrested after federal agents reported a suspicious person at the Trump National Golf Club in Rancho Palos Verdes.
Trump said she "folded like an umbrella" in dropping Reflecting Pool charges.
The disclosure came in a court filing from the financial institution.
Twenty-five states, including Illinois, sued the Trump administration Monday over its latest tariffs, calling them a pretext for replacing import taxes the Supreme Court struck down in February.
A federal judge ruled late Friday that Illinois is not required to hand over its complete, unredacted voter registration data, including sensitive personal information, to the Trump administration.