Merge bitcoin/bitcoin#27209: ci: Remove unused EXPECTED_TESTS_DURATION_IN_SECONDS env var

3fffff5 ci: Remove unused EXPECTED_TESTS_DURATION_IN_SECONDS env var (MarcoFalke)

Pull request description:

  Remove long unused travis leftover

ACKs for top commit:
  fanquake:
    ACK 3fffff5
  dergoegge:
    ACK 3fffff5

Tree-SHA512: 34b85a18c0d34f54bbc6ff5c2454307318e4747145e11f52f08baddefef9e1b80d8f6c85efcad97e575380162fd193f2aa837e99b156ed7e3e95370b635ddf4e

Author: glozow

ci/test/00_setup_env.sh

@@ -44,7 +44,6 @@ export RUN_SECURITY_TESTS=${RUN_SECURITY_TESTS:-false}
 export TEST_RUNNER_TIMEOUT_FACTOR=${TEST_RUNNER_TIMEOUT_FACTOR:-40}
 export TEST_RUNNER_ENV=${TEST_RUNNER_ENV:-}
 export RUN_FUZZ_TESTS=${RUN_FUZZ_TESTS:-false}
-export EXPECTED_TESTS_DURATION_IN_SECONDS=${EXPECTED_TESTS_DURATION_IN_SECONDS:-1000}
 
 export CONTAINER_NAME=${CONTAINER_NAME:-ci_unnamed}
 export CI_IMAGE_NAME_TAG=${CI_IMAGE_NAME_TAG:-ubuntu:20.04}