Removing unused fields

Author: anmolasrani123

hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/utils/TracingContext.java

@@ -60,7 +60,6 @@ public class TracingContext {
   private Listener listener = null;  // null except when testing
   //final concatenated ID list set into x-ms-client-request-id header
   private String header = EMPTY_STRING;
-  private String metricResults = EMPTY_STRING;
   private static final Logger LOG = LoggerFactory.getLogger(AbfsClient.class);
   public static final int MAX_CLIENT_CORRELATION_ID_LENGTH = 72;
   public static final String CLIENT_CORRELATION_ID_PATTERN = "[a-zA-Z0-9-]*";
@@ -99,14 +98,6 @@ public TracingContext(String clientCorrelationID, String fileSystemID,
     }
   }
 
-  public TracingContext(String clientCorrelationID, String fileSystemID,
-                        FSOperationType opType, boolean needsPrimaryReqId,
-                        TracingHeaderFormat tracingHeaderFormat, Listener listener,
-                        String metricResults) {
-    this(clientCorrelationID, fileSystemID, opType, needsPrimaryReqId, tracingHeaderFormat, listener);
-    this.metricResults = metricResults;
-  }
-
   public TracingContext(TracingContext originalTracingContext) {
     this.fileSystemID = originalTracingContext.fileSystemID;
     this.streamID = originalTracingContext.streamID;
@@ -129,10 +120,6 @@ public static String validateClientCorrelationID(String clientCorrelationID) {
     return clientCorrelationID;
   }
 
-  public String getMetricResults() {
-    return metricResults;
-  }
-
   public void setPrimaryRequestID() {
     primaryRequestId = UUID.randomUUID().toString();
     if (listener != null) {