Yes but the end result is a little different for each sentence.
"Let's end it now" is better than here, but people do say here. = something like şimdi birak ve dur
"let's leave it now/here" = only stop leave it for now= something like şu anda birak ve bir sure
Leave it is not the best way to end a violent or viscous quarrel it is usually stopped/ended with a stronger word like "end it" leave it may be used for a minor quarrel.