docker: remove 'deprecated' image definitions

There isn't a debian.dockerfile anymore,
so perform some ghost-busting.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190923181140.7235-4-jsnow@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>

tests/docker/Makefile.include

@@ -4,11 +4,10 @@
 
 DOCKER_SUFFIX := .docker
 DOCKER_FILES_DIR := $(SRC_PATH)/tests/docker/dockerfiles
-DOCKER_DEPRECATED_IMAGES := debian
 # we don't run tests on intermediate images (used as base by another image)
-DOCKER_PARTIAL_IMAGES := debian debian9 debian10 debian-sid
+DOCKER_PARTIAL_IMAGES := debian9 debian10 debian-sid
 DOCKER_PARTIAL_IMAGES += debian9-mxe debian-ports debian-bootstrap
-DOCKER_IMAGES := $(filter-out $(DOCKER_DEPRECATED_IMAGES),$(sort $(notdir $(basename $(wildcard $(DOCKER_FILES_DIR)/*.docker)))))
+DOCKER_IMAGES := $(sort $(notdir $(basename $(wildcard $(DOCKER_FILES_DIR)/*.docker))))
 DOCKER_TARGETS := $(patsubst %,docker-image-%,$(DOCKER_IMAGES))
 # Use a global constant ccache directory to speed up repetitive builds
 DOCKER_CCACHE_DIR := $$HOME/.cache/qemu-docker-ccache
@@ -158,7 +157,7 @@ docker-image-debian-powerpc-user-cross: docker-binfmt-image-debian-powerpc-user
 DOCKER_USER_IMAGES += debian-powerpc-user
 
 # Expand all the pre-requistes for each docker image and test combination
-$(foreach i,$(filter-out $(DOCKER_PARTIAL_IMAGES),$(DOCKER_IMAGES) $(DOCKER_DEPRECATED_IMAGES)), \
+$(foreach i,$(filter-out $(DOCKER_PARTIAL_IMAGES),$(DOCKER_IMAGES)), \
 	$(foreach t,$(DOCKER_TESTS) $(DOCKER_TOOLS), \
 		$(eval .PHONY: docker-$t@$i) \
 		$(eval docker-$t@$i: docker-image-$i docker-run-$t@$i) \