Fix error prone (unused argument)

Bug: b/343127842
Change-Id: I64f9737f39d8c72e60c170a408fcdfa49e478f8e
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/BackportedMethodRewriter.java b/src/main/java/com/android/tools/r8/ir/desugar/BackportedMethodRewriter.java
index 0b7f0bc..e24701c 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/BackportedMethodRewriter.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/BackportedMethodRewriter.java
@@ -298,8 +298,6 @@
       if (options.getMinApiLevel().isLessThan(AndroidApiLevel.V)) {
         initializeAndroidVMethodProviders(factory);
       }
-
-      initializeMethodProvidersUnimplementedOnAndroid(factory);
     }
 
     private Map<DexType, AndroidApiLevel> initializeTypeMinApi(DexItemFactory factory) {
@@ -1770,10 +1768,6 @@
               method, BackportedMethods::CharacterMethods_toStringCodepoint, "toStringCodepoint"));
     }
 
-    private void initializeMethodProvidersUnimplementedOnAndroid(DexItemFactory factory) {
-      // None at the moment.
-    }
-
     private void initializeAndroidUStreamMethodProviders(DexItemFactory factory) {
       // Stream
       DexType streamType = factory.streamType;