remove extra implementation of shutdown method

Author: mohammadVatandoost

opentelemetry-otlp/src/exporter/http/logs.rs

@@ -59,10 +59,6 @@ impl LogExporter for OtlpHttpClient {
         Ok(())
     }
 
-    fn shutdown(&self) -> OTelSdkResult {
-        self.shutdown_with_timeout(time::Duration::from_secs(5))
-    }
-
     fn set_resource(&mut self, resource: &opentelemetry_sdk::Resource) {
         self.resource = resource.into();
     }

opentelemetry-sdk/src/logs/simple_log_processor.rs

@@ -464,10 +464,6 @@ mod tests {
     }
 
     impl LogExporter for ReentrantLogExporter {
-        fn shutdown_with_timeout(&self, _timeout: time::Duration) -> OTelSdkResult {
-            Ok(())
-        }
-
         async fn export(&self, _batch: LogBatch<'_>) -> OTelSdkResult {
             let logger = self.logger.lock().unwrap();
             if let Some(logger) = logger.as_ref() {