Merge pull request #4359 from rabbitmq/mergify/bp/v3.8.x/pr-4358

Remove extra copies of rabbitmq-components.mk & erlang.mk (backport #4355) (backport #4357) (backport #4358)

Author: HoloRin

deps/rabbitmq_ct_client_helpers/Makefile

@@ -12,5 +12,5 @@ ERLANG_MK_COMMIT = rabbitmq-tmp
 DEP_PLUGINS = rabbit_common/mk/rabbitmq-build.mk \
 	      rabbit_common/mk/rabbitmq-tools.mk
 
-include rabbitmq-components.mk
-include erlang.mk
+include ../../rabbitmq-components.mk
+include ../../erlang.mk