Delete TraceReferencesCheckConsumer

Change-Id: I2cfcb0159cc68ffa46d3466fe77f55483f480c93
diff --git a/src/main/java/com/android/tools/r8/tracereferences/TraceReferencesCheckConsumer.java b/src/main/java/com/android/tools/r8/tracereferences/TraceReferencesCheckConsumer.java
deleted file mode 100644
index c612faf..0000000
--- a/src/main/java/com/android/tools/r8/tracereferences/TraceReferencesCheckConsumer.java
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright (c) 2021, the R8 project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-package com.android.tools.r8.tracereferences;
-
-import com.android.tools.r8.DiagnosticsHandler;
-import com.android.tools.r8.diagnostic.internal.MissingClassInfoImpl;
-import com.android.tools.r8.diagnostic.internal.MissingDefinitionsDiagnosticImpl;
-import com.android.tools.r8.references.PackageReference;
-
-public class TraceReferencesCheckConsumer implements TraceReferencesConsumer {
-
-  private final MissingDefinitionsDiagnosticImpl.Builder diagnosticBuilder =
-      MissingDefinitionsDiagnosticImpl.builder();
-
-  @Override
-  public void acceptType(TracedClass tracedClass, DiagnosticsHandler handler) {
-    if (tracedClass.isMissingDefinition()) {
-      MissingClassInfoImpl.Builder missingClassInfoBuilder =
-          MissingClassInfoImpl.builder().setClass(tracedClass.getReference());
-      missingClassInfoBuilder.addReferencedFromContext();
-      diagnosticBuilder.addMissingDefinitionInfo(missingClassInfoBuilder.build());
-    }
-  }
-
-  @Override
-  public void acceptField(TracedField tracedField, DiagnosticsHandler handler) {
-    if (tracedField.isMissingDefinition()) {}
-  }
-
-  @Override
-  public void acceptMethod(TracedMethod tracedMethod, DiagnosticsHandler handler) {
-    if (tracedMethod.isMissingDefinition()) {}
-  }
-
-  @Override
-  public void acceptPackage(PackageReference pkg, DiagnosticsHandler handler) {
-    // Intentionally empty.
-  }
-
-  @Override
-  public void finished(DiagnosticsHandler handler) {}
-}