Disable autopkgtest job

This package does not define any autopkgtests. Skip the CI job to
conserve resources on Salsa.
7 jobs for master in 6 minutes and 19 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #322683
build

00:02:57

 
  Test
passed #322688
blhc

00:01:14

passed #322687
lintian

00:01:36

passed #322689
piuparts

00:03:19

passed #322686
reprotest

00:02:33

passed #322685
test-build-all

00:02:07

passed #322684
test-build-any

00:02:52