Remove unused assignment

Author: ConnorKirk

Diff for: packages/logger/tests/unit/logBuffer.test.ts

@@ -97,7 +97,7 @@ describe('Buffer logs', () => {
     process.env.AWS_LAMBDA_LOG_LEVEL = 'INFO';
 
     // Act
-    const logger = new Logger({
+    new Logger({
       logLevel: LogLevel.DEBUG,
       logBufferOptions: { enabled: true, bufferAtVerbosity: 'DEBUG' },
     });