This reverts commit 3712e1dee7.
gperf -- the GNU perfect hash function generator
https://www.gnu.org/software/gperf/
and
gperftools -- the Google Performance Tools
https://github.com/gperftools/gperftools
are two different and unrelated projects.
Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>