Remove unused imports

Change-Id: I1bd5d3e73c0cc7a159083de1f35391f2c4d0afc0
diff --git a/src/main/java/com/android/tools/r8/graph/GraphLense.java b/src/main/java/com/android/tools/r8/graph/GraphLense.java
index 4feaf01..c3583dc 100644
--- a/src/main/java/com/android/tools/r8/graph/GraphLense.java
+++ b/src/main/java/com/android/tools/r8/graph/GraphLense.java
@@ -7,7 +7,6 @@
 import com.android.tools.r8.ir.code.IRCode;
 import com.android.tools.r8.ir.code.Invoke.Type;
 import com.android.tools.r8.ir.code.Position;
-import com.android.tools.r8.ir.desugar.NestBasedAccessDesugaring.DexFieldWithAccess;
 import com.android.tools.r8.utils.BooleanUtils;
 import com.android.tools.r8.utils.IteratorUtils;
 import com.google.common.collect.BiMap;
diff --git a/src/main/java/com/android/tools/r8/ir/conversion/LensCodeRewriter.java b/src/main/java/com/android/tools/r8/ir/conversion/LensCodeRewriter.java
index 34f2bba..4f05aae 100644
--- a/src/main/java/com/android/tools/r8/ir/conversion/LensCodeRewriter.java
+++ b/src/main/java/com/android/tools/r8/ir/conversion/LensCodeRewriter.java
@@ -13,7 +13,6 @@
 import com.android.tools.r8.graph.AppView;
 import com.android.tools.r8.graph.DexCallSite;
 import com.android.tools.r8.graph.DexClass;
-import com.android.tools.r8.graph.DexEncodedField;
 import com.android.tools.r8.graph.DexEncodedMethod;
 import com.android.tools.r8.graph.DexField;
 import com.android.tools.r8.graph.DexMethod;