A pip install-able conversion of Paul Durrant's kindlestrip library to strip the penultimate record from a Mobipocket file. (http://www.mobileread.com/forums/showthread.php?t=96903)

To install:

pip install kindlestrip

To use:

$ kindlestrip input.mobi output.mobi

$ du -sh *
268K    input.mobi
200K    output.mobi