cmd/geth: fix extra trailing newline in license command #15782
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The
geth licensecommand currently prints the license, and adds two newlines at the end. This gets flagged (i.e. compile error) on Go 1.10 sincefmt.Printlnalready prints a new line, so no need to double it.Although we could change the code to retain the current functionality, I don't think there's a particular need to print an empty line after the license, so I've just removed the extra newline character.