testing/trojita: remove

Hasn't had a release in 4 years and is barely maintained upstream
7 jobs for !16996 with testing_trojita in 38 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
failed #297009
docker-alpine x86_64 allowed to fail
lint

00:00:09

 
  Build
failed #297014
docker-alpine ci-build aarch64
build-aarch64

00:00:06

failed #297015
docker-alpine ci-build armv7
build-armv7

00:00:10

failed #297013
docker-alpine ci-build ppc64le
build-ppc64le

00:00:09

failed #297012
docker-alpine ci-build s390x
build-s390x

00:00:08

failed #297011
docker-alpine ci-build x86
build-x86

00:00:02

failed #297010
docker-alpine ci-build x86_64
build-x86_64

00:00:03

 
Name Stage Failure
failed
build-x86_64 Build
No job log
failed
build-armv7 Build
No job log
failed
build-s390x Build
No job log
failed
build-x86 Build
No job log
failed
build-ppc64le Build
No job log
failed
lint Lint
No job log
failed
build-aarch64 Build
No job log