Update e2fsprogs to 1.43.6
* Remove FreeBSD patch as it's not needed, FreeBSD 9.1 is EoL and this
  is compiling on FreeBSD 11.1.
* Remove libmagic patch, RHEL 5 is EoL (End of Production Phase) since
  March 31, 2017.

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>