* gnu/packages/cpio.scm (cpio): Update to 2.12. [source]: Remove 'patches' field. * gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt2.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt3.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt4.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt5.patch, gnu/packages/patches/cpio-fix-symlink-bad-length-test.patch: Remove. * gnu-system.am (dist_patch_DATA): Remove.