backend-common: silenced and simplified void logger

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/strange-wasps-whisper.md

@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+The logger returned from `getVoidLogger` is now uses a silenced console transport instead.

packages/backend-common/src/logging/voidLogger.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import { PassThrough } from 'stream';
 import * as winston from 'winston';
 
 /**
@@ -24,6 +23,6 @@ import * as winston from 'winston';
  */
 export function getVoidLogger(): winston.Logger {
   return winston.createLogger({
-    transports: [new winston.transports.Stream({ stream: new PassThrough() })],
+    transports: [new winston.transports.Console({ silent: true })],
   });
 }