Revert commit 032e2f9 “Workaround bad J2KT/Kotlin smartcast interaction”

Workaround is no longer required.

PiperOrigin-RevId: 729083405

Author: martinkretzschmar

android/guava-tests/test/com/google/common/collect/ObjectArraysTest.java

@@ -152,9 +152,7 @@ public void testToArrayImpl2() {
   private void doTestToArrayImpl2(List<Integer> list, Integer[] array1, boolean expectModify) {
     Integer[] starting = Arrays.copyOf(array1, array1.length);
     Integer[] array2 = Arrays.copyOf(array1, array1.length);
-    // TODO b/283448200 - Remove temporary variable when Kotlin smartcast issue is resolved.
-    Integer[] array1Tmp = array1;
-    Object[] reference = list.toArray(array1Tmp);
+    Object[] reference = list.toArray(array1);
 
     Object[] target = ObjectArrays.toArrayImpl(list, array2);
 

guava-tests/test/com/google/common/collect/ObjectArraysTest.java

@@ -152,9 +152,7 @@ public void testToArrayImpl2() {
   private void doTestToArrayImpl2(List<Integer> list, Integer[] array1, boolean expectModify) {
     Integer[] starting = Arrays.copyOf(array1, array1.length);
     Integer[] array2 = Arrays.copyOf(array1, array1.length);
-    // TODO b/283448200 - Remove temporary variable when Kotlin smartcast issue is resolved.
-    Integer[] array1Tmp = array1;
-    Object[] reference = list.toArray(array1Tmp);
+    Object[] reference = list.toArray(array1);
 
     Object[] target = ObjectArrays.toArrayImpl(list, array2);