Remove emulated = true from @GwtCompatible usages.

This used to matter to our Maven build, but it stopped mattering back in cl/105596491.

RELNOTES=n/a
PiperOrigin-RevId: 792182756

Author: cpovirk

android/guava-testlib/src/com/google/common/collect/testing/AbstractTester.java

@@ -34,7 +34,7 @@
  *     parameterize the test.
  * @author George van den Driessche
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @NullMarked
 public class AbstractTester<G> extends TestCase {
   private G subjectGenerator;

android/guava-testlib/src/com/google/common/collect/testing/Helpers.java

@@ -46,7 +46,7 @@
 import org.jspecify.annotations.NullMarked;
 import org.jspecify.annotations.Nullable;
 
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @NullMarked
 public class Helpers {
   // Clone of Objects.equals

android/guava-testlib/src/com/google/common/collect/testing/ReflectionFreeAssertThrows.java

@@ -35,7 +35,7 @@
 import org.jspecify.annotations.Nullable;
 
 /** Replacements for JUnit's {@code assertThrows} that work under GWT/J2CL. */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @NullMarked
 final class ReflectionFreeAssertThrows {
   interface ThrowingRunnable {

android/guava-testlib/src/com/google/common/collect/testing/google/AbstractMultisetSetCountTester.java

@@ -48,7 +48,7 @@
  *
  * @author Chris Povirk
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @Ignore("test runners must not instantiate and run this directly, only via suites we build")
 // @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
 @SuppressWarnings("JUnit4ClassUsedInJUnit3")

android/guava-testlib/src/com/google/common/collect/testing/google/BiMapInverseTester.java

@@ -39,7 +39,7 @@
  *
  * @author Louis Wasserman
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @Ignore("test runners must not instantiate and run this directly, only via suites we build")
 // @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
 @SuppressWarnings("JUnit4ClassUsedInJUnit3")

android/guava-testlib/src/com/google/common/collect/testing/google/MultisetCountTester.java

@@ -39,7 +39,7 @@
  *
  * @author Jared Levy
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @Ignore("test runners must not instantiate and run this directly, only via suites we build")
 // @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
 @SuppressWarnings("JUnit4ClassUsedInJUnit3")

android/guava-testlib/src/com/google/common/collect/testing/google/MultisetIteratorTester.java

@@ -39,7 +39,7 @@
  *
  * @author Louis Wasserman
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @Ignore("test runners must not instantiate and run this directly, only via suites we build")
 // @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
 @SuppressWarnings("JUnit4ClassUsedInJUnit3")

android/guava-testlib/src/com/google/common/collect/testing/google/MultisetRemoveTester.java

@@ -44,7 +44,7 @@
  *
  * @author Jared Levy
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @Ignore("test runners must not instantiate and run this directly, only via suites we build")
 // @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
 @SuppressWarnings("JUnit4ClassUsedInJUnit3")

android/guava-testlib/src/com/google/common/collect/testing/google/ReflectionFreeAssertThrows.java

@@ -35,7 +35,7 @@
 import org.jspecify.annotations.Nullable;
 
 /** Replacements for JUnit's {@code assertThrows} that work under GWT/J2CL. */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @NullMarked
 final class ReflectionFreeAssertThrows {
   interface ThrowingRunnable {

android/guava-testlib/src/com/google/common/collect/testing/google/SetGenerators.java

@@ -61,7 +61,7 @@
  * @author Jared Levy
  * @author Hayward Chan
  */
-@GwtCompatible(emulated = true)
+@GwtCompatible
 @NullMarked
 public class SetGenerators {