How to use regular expressions in Notepad to remove characters between the second and third colon?

Question

Regular Expressions

Regular expressions - how to remove characters between the second and third colon?
There is text in this format:
[email protected]: DefeatedHarlequinSalamander :79c0d5007090af1832e9f3995b01513e:OTM4NTI5MzExNzOdjnDk2.YfrnuQ.KCDRHpx1E-YDSway-76SfkwivnQ You
need to remove the bold text along with the extra colon. To get it like this:
[email protected]:79c0d5007090af1832e9f3995b01513e:OTM4NTI5MzExNzOdjnDk2.YfrnuQ.KCDRHpx1E-YDSway-76SfkwivnQ

Answer 1

Find:
(.*?):(.*?):(.*)
Replace with:
$1:$3

Answer 2

find (.+?):(.+?):(.*) replace with \1:\3

Answer 3

:\K.+:
https://regex101.com/r/0Y1Exg/1