Remove unused imports

Change-Id: I002e5a7a2609ff401e5aa0a16bfb2a62906203a5
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/CovariantReturnTypeAnnotationTransformerEventConsumer.java b/src/main/java/com/android/tools/r8/ir/desugar/CovariantReturnTypeAnnotationTransformerEventConsumer.java
index c339dbc..dc4add0 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/CovariantReturnTypeAnnotationTransformerEventConsumer.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/CovariantReturnTypeAnnotationTransformerEventConsumer.java
@@ -4,7 +4,6 @@
 
 package com.android.tools.r8.ir.desugar;
 
-import com.android.tools.r8.graph.AppView;
 import com.android.tools.r8.graph.ProgramMethod;
 import com.android.tools.r8.profile.art.rewriting.ArtProfileCollectionAdditions;
 import com.android.tools.r8.profile.art.rewriting.ArtProfileRewritingCovariantReturnTypeAnnotationTransformerEventConsumer;
diff --git a/src/main/java/com/android/tools/r8/profile/art/rewriting/ArtProfileRewritingCovariantReturnTypeAnnotationTransformerEventConsumer.java b/src/main/java/com/android/tools/r8/profile/art/rewriting/ArtProfileRewritingCovariantReturnTypeAnnotationTransformerEventConsumer.java
index bac0365..9722924 100644
--- a/src/main/java/com/android/tools/r8/profile/art/rewriting/ArtProfileRewritingCovariantReturnTypeAnnotationTransformerEventConsumer.java
+++ b/src/main/java/com/android/tools/r8/profile/art/rewriting/ArtProfileRewritingCovariantReturnTypeAnnotationTransformerEventConsumer.java
@@ -4,7 +4,6 @@
 
 package com.android.tools.r8.profile.art.rewriting;
 
-import com.android.tools.r8.graph.AppView;
 import com.android.tools.r8.graph.ProgramMethod;
 import com.android.tools.r8.ir.desugar.CovariantReturnTypeAnnotationTransformerEventConsumer;