Reverted theta-start.sh #1847

Job	Run time
deploy-docs	25s
build	5m 18s
create-spec-transformation	15m 17s
test-docker (theta-cfa-cli)	5m 28s
test-docker (theta-sts-cli)	5m 39s
deploy-maven	0s
test-docker (theta-xsts-cli)	6m 5s
test-docker (theta-xta-cli)	5m 35s
test-docker (theta-xcfa-cli)	9m 6s
test-linux (ubuntu-24.04)	8m 43s
javadoc	4m 45s
deploy-docker	0s
create-archives (Theta)	3m 20s
create-archives (EmergenTheta)	3m 50s
create-archives (Thorn)	3m 41s
test-benchexec	1s
deploy-release	1s
collect-results	1s
	1h 17m 15s

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