review comment, remove unused import

Author: lalitb

opentelemetry-sdk/src/trace/config.rs

@@ -4,7 +4,7 @@
 //! can be set for the default OpenTelemetry limits and Sampler.
 use crate::trace::{span_limit::SpanLimits, IdGenerator, RandomIdGenerator, Sampler, ShouldSample};
 use crate::Resource;
-use opentelemetry::{otel_debug, otel_warn};
+use opentelemetry::otel_warn;
 use std::borrow::Cow;
 use std::env;
 use std::str::FromStr;