pkg/destroy/aws: "log" -> "logrus" and use pkg/errors
pkg/destroy/aws: "log" -> "logrus" and use pkg/errors

Also alphabetize all the non-stdlib imports in a single block.

The logrus import change is similar to our earlier 54ba6a75
(asset/ignition: don't rename imports, 2018-10-24, #534).

derekhiggins/installer,derekhiggins/installer