odp_timer_test: remove redundant free function
odp_timer_test: remove redundant free function

Signed-off-by: Zoltan Kiss <045352d2c5c4a454a2aefff6fa815639b332fd1d@linaro.org>
Reviewed-by: Petri Savolainen <d528fd253b9aaf78fa72edbcc6249e82047f6ce6@nokia.com>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

mike-holmes-linaro/odp,mike-holmes-linaro/odp,rsalveti/odp,kalray/odp-mppa,kalray/odp-mppa,ravineet-singh/odp,ravineet-singh/odp,erachmi/odp,nmorey/odp,nmorey/odp,kalray/odp-mppa,kalray/odp-mppa,rsalveti/odp,dkrot/odp,rsalveti/odp,rsalveti/odp,mike-holmes-linaro/odp,erachmi/odp,erachmi/odp,dkrot/odp,kalray/odp-mppa,ravineet-singh/odp,ravineet-singh/odp,rsalveti/odp,dkrot/odp,erachmi/odp,kalray/odp-mppa,mike-holmes-linaro/odp,dkrot/odp,nmorey/odp,nmorey/odp,kalray/odp-mppa