Revert "Add assertion for only keeping kotlin metadata for kept classes"

This reverts commit d73e41771664b44065fa88f0af0fdd68b85b15e2.

Reason for revert: b/160973961

Change-Id: I6474cae630b00fdbdc0a592669efbd7ffcdb4b2f
diff --git a/src/main/java/com/android/tools/r8/kotlin/KotlinMetadataRewriter.java b/src/main/java/com/android/tools/r8/kotlin/KotlinMetadataRewriter.java
index e238dd6..d709ea4 100644
--- a/src/main/java/com/android/tools/r8/kotlin/KotlinMetadataRewriter.java
+++ b/src/main/java/com/android/tools/r8/kotlin/KotlinMetadataRewriter.java
@@ -11,13 +11,11 @@
 import com.android.tools.r8.graph.DexAnnotationElement;
 import com.android.tools.r8.graph.DexEncodedAnnotation;
 import com.android.tools.r8.graph.DexItemFactory;
-import com.android.tools.r8.graph.DexProgramClass;
 import com.android.tools.r8.graph.DexValue;
 import com.android.tools.r8.graph.DexValue.DexValueArray;
 import com.android.tools.r8.graph.DexValue.DexValueInt;
 import com.android.tools.r8.graph.DexValue.DexValueString;
 import com.android.tools.r8.naming.NamingLens;
-import com.android.tools.r8.shaking.AppInfoWithLiveness;
 import com.android.tools.r8.utils.ThreadUtils;
 import java.util.ArrayList;
 import java.util.List;
@@ -79,19 +77,6 @@
           }
         },
         executorService);
-    assert verifyMetadataOnlyPresentOnKeptClasses();
-  }
-
-  private boolean verifyMetadataOnlyPresentOnKeptClasses() {
-    if (!appView.appInfo().hasLiveness()) {
-      return true;
-    }
-    AppInfoWithLiveness appInfoWithLiveness = appView.withLiveness().appInfo();
-    for (DexProgramClass clazz : appView.appInfo().classes()) {
-      DexAnnotation meta = clazz.annotations().getFirstMatching(factory.kotlinMetadataType);
-      assert meta == null || appInfoWithLiveness.isPinned(clazz.type);
-    }
-    return true;
   }
 
   private DexAnnotation createKotlinMetadataAnnotation(