Revert "Attempt to fix red bot (Concurrency issue in L8)"

This reverts commit 07ac56febd6f737e8b46af3d11176f17d95a6435.

Reason for revert: Did not fix the issue.

Change-Id: I6bcde89adae40b4c43c63f342d402527b2589e9e
diff --git a/src/main/java/com/android/tools/r8/ir/conversion/ClassConverter.java b/src/main/java/com/android/tools/r8/ir/conversion/ClassConverter.java
index 09a48a8..3129b82 100644
--- a/src/main/java/com/android/tools/r8/ir/conversion/ClassConverter.java
+++ b/src/main/java/com/android/tools/r8/ir/conversion/ClassConverter.java
@@ -78,9 +78,7 @@
 
       // TODO(b/191656218): Move upfront the loop and use maybe the class event consumer.
       if (appView.options().isDesugaredLibraryCompilation()) {
-        methodProcessor.newWave();
         converter.ensureWrappersForL8(instructionDesugaringEventConsumer);
-        methodProcessor.awaitMethodProcessing();
       }
 
       // Process the wave and wait for all IR processing to complete.