Rudder

During policy validation, we see pleinty of

root      9907  0.0  0.0  11628  1336 ?        S    12:38   0:00  |   \_ sh -c /opt/rudder/bin/run-inventory --version | /bin/grep '[0-9]\.[0-9]' | /bin/s
root      9911  0.0  0.0 115248  1700 ?        S    12:38   0:00  |       \_ /bin/sh /opt/rudder/bin/run-inventory --version
root      9981  0.0  0.0 156584 14988 ?        R    12:38   0:00  |       |   \_ /opt/rudder/bin/perl -I /opt/rudder/lib/perl5 /opt/rudder/bin/fusioninven
root      9912  0.0  0.0   9032   656 ?        S    12:38   0:00  |       \_ /bin/grep [0-9]\.[0-9]
root      9913  0.0  0.0  13260   700 ?        S    12:38   0:00  |       \_ /bin/sed s%.*(\([0-9]\+\)\.\([0-9]\+\).*).*%\1\2%

this is completly unuseful, and removing this part in case of cf-promises saves 90s for generation of 2000 nodes (420s instead of 513 s)