Remove workaround armclang error: Failed to check out a license

Fixed with preserving the environment variables in the docker images:
https://git.trustedfirmware.org/ci/dockerfiles.git/commit/?id=afdf3d4d087f0c2234ad213e5f6b8dfdcfa1bf6d

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Change-Id: I9f82e4f4698de6bed6085a4bf9fc625aaa154049
diff --git a/run-build.sh b/run-build.sh
index 7798642..e931776 100755
--- a/run-build.sh
+++ b/run-build.sh
@@ -20,10 +20,6 @@
 	exit 1
 fi
 
-# FIXME: workaround for Arm Clang license server on ci.trustedfirmware.org
-[[ ${JENKINS_URL} == *trustedfirmware.org* ]] && \
-    export ARMLMD_LICENSE_FILE=${ARMLMD_LICENSE_FILE:-27000@ci.trustedfirmware.org}
-
 set +e
 echo "output current build environment"
 cat /etc/issue