gen_merge_report.sh: remove utils.sh script source call

The script gen_merge_report.sh is self-contained and does not required
any variable/function from utils.sh script.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I01de6efe7b481ed7efc095f6a4c1cb19e6ee7451
1 file changed