remove rogue clara jar (and strip down EB 2-particle test script) #2613

Job	Run time
download_test_data	5s
java_matrix	4s
build (ubuntu-latest)	3m 6s
build (macos-latest)	3m 0s
unit_tests (21)	4m 24s
unit_tests (25)	3m 34s
test_clara	3m 49s
test_decoder	2m 37s
test_run-groovy	31s
spotbugs	3m 48s
test_coatjava (ubuntu-latest, kpp)	1m 28s
test_coatjava (ubuntu-latest, eb-enc)	1m 13s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	1m 17s
test_coatjava (ubuntu-latest, eb-eftpi)	1m 25s
test_coatjava (ubuntu-latest, eb-epc)	1m 15s
test_coatjava (ubuntu-latest, eb-eg)	1m 13s
test_coatjava (ubuntu-latest, eb-ep)	1m 29s
release_build	0s
generate_documentation	58s
final	0s
deploy_web_pages	-1s
	35m 15s

Provide feedback