disalbe unnecessary blhc and test-build-any CI test

debootstrap is just a shell script, we don't need to check build hardening
and "any" architecture build.
5 jobs for master in 11 minutes and 17 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #301230
build

00:03:04

 
  Test
passed #301233
lintian

00:01:34

passed #301234
piuparts

00:02:57

passed #301232
reprotest

00:03:15

passed #301231
test-build-all

00:03:50