Circumstantial evidence is still evidence, Chris. The fact that it was no longer available on the store tends to imply that Apple removed it. Especially since the alternative is that the developer, who clearly acted in bad faith publishing an app masquerading as another app for the purpose of tricking people into making that developer profit, pulled it himself. You can put on your big boy deductive reasoning hat and draw a pretty reliable inference.
Or you can simply read:
https://www.pcmag.com/news/beware-theres-a-fake-lastpass-app...
UPDATE 2/9: Apple has removed the "LassPass" app from its App Store and also pulled the app's developer from its developer program, the company confirms to PCMag. Apple says it has also received a trademark dispute against the now-removed app.