Small nits in internal/aws/cwlogs tests (#10816)
Small nits in internal/aws/cwlogs tests (#10816)

* Small nits in internal/aws/cwlogs tests

Signed-off-by: Bogdan Drutu <3f8e17047c2434e5c82a61403e56b9ef3e226d99@gmail.com>

* remove unnecessary logger vars

Co-authored-by: Alex Boten <1e5a92690ae5061b029620512ac8ae33d4f3a3b3@lightstep.com>
open-telemetry/opentelemetry-collector-contrib,open-telemetry/opentelemetry-collector-contrib