Remove extra tidy

Didn't fix it, but it's further along with the first one.

Author: martincostello

scripts/run-oats-tests.sh

@@ -5,7 +5,6 @@ set -euo pipefail
 cd oats/yaml
 go mod tidy
 go install github.com/onsi/ginkgo/v2/ginkgo
-go mod tidy
 export TESTCASE_SKIP_BUILD=true
 export TESTCASE_TIMEOUT=5m
 export TESTCASE_BASE_PATH=../../docker