tests/helpers.bash: rm GOPATH
It is not used anywhere since commit
@@ -7,7 +7,6 @@ INTEGRATION_ROOT=$(dirname "$(readlink -f "$BASH_SOURCE")")
RUNC="${INTEGRATION_ROOT}/../../runc"
RECVTTY="${INTEGRATION_ROOT}/../../contrib/cmd/recvtty/recvtty"
-GOPATH="$(mktemp -d --tmpdir runc-integration-gopath.XXXXXX)"
# Test data path.
TESTDATA="${INTEGRATION_ROOT}/testdata"
