[Retrace] Remove unused buildForClass set

Change-Id: I69094d69fe8ba033afe15be7e66d5e544ee237ca
diff --git a/src/main/java/com/android/tools/r8/naming/ClassNameMapper.java b/src/main/java/com/android/tools/r8/naming/ClassNameMapper.java
index 0b0d20f..b29dbc6 100644
--- a/src/main/java/com/android/tools/r8/naming/ClassNameMapper.java
+++ b/src/main/java/com/android/tools/r8/naming/ClassNameMapper.java
@@ -159,8 +159,7 @@
       LineReader reader,
       DiagnosticsHandler diagnosticsHandler,
       boolean allowEmptyMappedRanges,
-      boolean allowExperimentalMapping,
-      Set<String> buildForClass)
+      boolean allowExperimentalMapping)
       throws IOException {
     try (ProguardMapReader proguardReader =
         new ProguardMapReader(
diff --git a/src/main/java/com/android/tools/r8/retrace/internal/ProguardMappingProviderBuilderImpl.java b/src/main/java/com/android/tools/r8/retrace/internal/ProguardMappingProviderBuilderImpl.java
index a5c1dd6..ebba380 100644
--- a/src/main/java/com/android/tools/r8/retrace/internal/ProguardMappingProviderBuilderImpl.java
+++ b/src/main/java/com/android/tools/r8/retrace/internal/ProguardMappingProviderBuilderImpl.java
@@ -73,7 +73,7 @@
                   proguardMapProducer.get(), buildForClass);
       return new ProguardMappingProviderImpl(
           ClassNameMapper.mapperFromLineReaderWithFiltering(
-              reader, diagnosticsHandler, true, allowExperimental, buildForClass));
+              reader, diagnosticsHandler, true, allowExperimental));
     } catch (Exception e) {
       throw new InvalidMappingFileException(e);
     }