Remove the autoconf-based build system and GNU-style information files from fputils. After this change, we only keep the files we will need to integrate into gem5's main source tree. Change-Id: I2ddf1d07d9cb51bcd91fc63f1ae43c7f46129933 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22163 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Jason Lowe-Power <jason@lowepower.com>