Remove export of ARMLMD_LICENSE_FILE variable

Variable is defined and exported in the docker node [1] thus there is
no need to export it at CI Scripts level.

[1] https://git.trustedfirmware.org/ci/dockerfiles.git/tree/bionic-amd64-tf-a-build/Dockerfile

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I9d53a60c7e1b6ea10c9ebc0102c2a010d05949a9
1 file changed