tests/docker: remove tricore qemu/debian10 dependency

We missed removing this dependency when we flattened the build.

Fixes: 39ce9237 (gitlab: enable a very minimal build with the tricore container)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220914155950.804707-16-alex.bennee@linaro.org>

.gitlab-ci.d/container-cross.yml

@@ -148,7 +148,6 @@ sparc64-debian-cross-container:
 tricore-debian-cross-container:
   extends: .container_job_template
   stage: containers
-  needs: ['amd64-debian10-container']
   variables:
     NAME: debian-tricore-cross
 

tests/docker/Makefile.include

@@ -132,7 +132,6 @@ docker-image-debian-nios2-cross: $(DOCKER_FILES_DIR)/debian-toolchain.docker \
 	$(call debian-toolchain, $@)
 
 # Specialist build images, sometimes very limited tools
-docker-image-debian-tricore-cross: docker-image-debian10
 docker-image-debian-all-test-cross: docker-image-debian10
 docker-image-debian-loongarch-cross: docker-image-debian11
 docker-image-debian-microblaze-cross: docker-image-debian10