Remove locales/assets/source stages from development image #3885

Job	Run time
test_make_docker_configuration	16s
context	7s
Build CI Image	3m 14s
docs_build	2m 54s
locales	4m 32s
test_run_docker_action	6m 9s
test / test (Needs Locale Compilation, make compile_locales make test_needs_locales_compilation )	4m 39s
test / test (Static Assets, make test_static_assets)	3m 31s
test_main / test_config	4s
test / test (Internal Routes, make test_internal_routes_allowed)	4m 11s
test / test (Elastic Search, make test_es_tests)	5m 13s
test / test (Codestyle, web, make lint-codestyle)	3m 13s
test / test (Manage Check, web nginx, make check, false)	2m 51s
test_main / test_main (1)	6m 9s
test_main / test_main (2)	5m 37s
test_main / test_main (3)	5m 59s
test_main / test_main (4)	6m 42s
test_main / test_main (5)	5m 37s
test_main / test_main (6)	5m 21s
test_main / test_main (7)	6m 7s
test_main / test_main (8)	6m 7s
test_main / test_main (9)	6m 13s
test_main / test_main (10)	6m 20s
test_main / test_main (11)	6m 33s
test_main / test_main (12)	6m 13s
test_main / test_main (13)	5m 42s
test_main / test_main (14)	5m 38s
docs_deploy	0s
test_main / test_log	8s
Push Production Docker Image (Dockerhub)	0s
Push Production Docker Image (GAR)	0s
	2h 5m 20s

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