Reduce the number of system test jobs to include most recent, least recent...

Reduce the number of system test jobs to include most recent, least recent distro and every architecture we have
34 jobs for ondrej/reduce-the-number-of-system-test-jobs in 19 minutes and 6 seconds (queued for 4 seconds)
latest
Status Job ID Name Coverage
  Precheck
passed #136692
linux docker amd64
🐞:sid:amd64:precheck

00:00:39

passed #136691
linux docker amd64
sid:amd64:precheck

00:00:14

 
  Build
passed #136699
linux docker amd64
asan:sid:amd64:build

00:01:26

passed #136705
linux docker amd64
bionic:amd64:build

00:01:10

passed #136693
linux docker amd64
centos6:amd64:build

00:02:31

passed #136694
linux docker amd64
centos7:amd64:build

00:02:59

passed #136695
linux docker amd64
clang:stretch:amd64:build

00:01:16

passed #136700
linux docker i386
clang:stretch:i386:build

00:01:57

passed #136696
linux docker amd64
jessie:amd64:build

00:01:58

passed #136703
linux docker amd64
noassert:sid:amd64:build

00:01:13

passed #136702
linux docker amd64
pkcs11:sid:amd64:build

00:01:25

passed #136698
linux docker amd64
sid:amd64:build

00:01:16

passed #136701
linux docker i386
sid:i386:build

00:01:25

passed #136697
linux docker amd64
stretch:amd64:build

00:02:23

passed #136704
linux docker amd64
xenial:amd64:build

00:01:11

 
  Test
passed #136706
linux docker amd64
docs:sid:amd64

00:00:47

passed #136718
linux docker amd64
install:sid:amd64

00:02:39

passed #136721
linux docker amd64
noassert:unit:sid:amd64

00:00:41

passed #136731
linux docker amd64
pkcs11:system:sid:amd64

00:06:07

passed #136719
linux docker amd64
pkcs11:unit:sid:amd64

00:00:42

passed #136716
linux docker amd64
system:asan:sid:amd64

00:07:53

passed #136715
linux docker amd64
system:centos6:amd64

00:06:16

passed #136717
linux docker i386
system:sid:i386

00:06:15

passed #136712
linux docker amd64
unit:asan:sid:amd64

00:00:45

passed #136723
linux docker amd64
unit:bionic:amd64

00:00:47

passed #136707
linux docker amd64
unit:centos6:amd64

00:00:44

passed #136708
linux docker amd64
unit:centos7:amd64

00:00:43

passed #136713
linux docker amd64
unit:clang:stretch:amd64

00:00:48

passed #136709
linux docker amd64
unit:jessie:amd64

00:00:27

passed #136711
linux docker amd64
unit:sid:amd64

00:00:41

passed #136714
linux docker i386
unit:sid:i386

00:00:43

passed #136710
linux docker amd64
unit:stretch:amd64

00:00:43

passed #136722
linux docker amd64
unit:xenial:amd64

00:00:44

failed #136720
linux docker amd64
pkcs11:system:sid:amd64

00:08:21