cleanup rg-l test yaml #2547

Job	Run time
build (macos-latest)	3m 6s
java_matrix	4s
download_test_data	3s
build (ubuntu-latest)	3m 5s
unit_tests (25)	3m 32s
unit_tests (21)	4m 14s
spotbugs	6m 56s
test_run-groovy	1m 10s
test_decoder	3m 25s
test_clara	4m 38s
test_coatjava (ubuntu-latest, eb-epc)	2m 5s
test_coatjava (ubuntu-latest, eb-ep)	2m 12s
test_coatjava (ubuntu-latest, kpp)	3m 48s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	3m 34s
test_coatjava (ubuntu-latest, eb-eg)	2m 50s
test_coatjava (ubuntu-latest, eb-enc)	2m 39s
test_coatjava (ubuntu-latest, eb-eftpi)	2m 39s
release_build	-1s
generate_documentation	1m 14s
deploy_web_pages	0s
final	2s
	51m 15s

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