test/timer: remove license boilerplate
test/timer: remove license boilerplate

This file has redundant BSD license text that is already
replaced by the use of SPDX license id.
Having both is unnecessary and potentially confusing.

Signed-off-by: Stephen Hemminger <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@networkplumber.org>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk