utils.callback.lava: remove unused _parse_lava_test_data() function
utils.callback.lava: remove unused _parse_lava_test_data() function

Remove the utils.callback.lava._parse_lava_test_data() function as
it's not called and not needed any more.  Only the login test cases
uses the LAVA test data to populate test results.

Signed-off-by: Guillaume Tucker <e7e20b7c30f19d4ca6b81319ef81bf200369d137@collabora.com>

kernelci/kernelci-backend,kernelci/kernelci-backend