feat: cleanup swim wrapper #2074

Job	Run time
java_matrix	3s
build (ubuntu-latest)	2m 54s
build (macos-latest)	2m 39s
download_test_data	6s
unit_tests (21)	2m 50s
unit_tests (25)	2m 52s
test_decoder	2m 22s
spotbugs	6m 50s
test_run-groovy	32s
dependency_analysis	1m 32s
test_clara	4m 15s
test_coatjava (ubuntu-latest, eb-ep)	2m 26s
test_coatjava (ubuntu-latest, eb-epc)	1m 54s
test_coatjava (ubuntu-latest, eb-eg)	1m 53s
test_coatjava (ubuntu-latest, eb-enc)	1m 48s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	4m 2s
test_coatjava (ubuntu-latest, kpp)	3m 25s
test_coatjava (ubuntu-latest, eb-eftpi)	1m 51s
release_build	0s
generate_documentation	1m 5s
deploy_web_pages	0s
final	3s
	45m 22s

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