Remove @Beta from UnsignedLongs.

#3420

RELNOTES=`concurrent`: Remove `@Beta` from `UnsignedLongs`.
PiperOrigin-RevId: 523437660

Author: kluever

android/guava/src/com/google/common/primitives/UnsignedLongs.java

@@ -18,7 +18,6 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkPositionIndexes;
 
-import com.google.common.annotations.Beta;
 import com.google.common.annotations.GwtCompatible;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import java.math.BigInteger;
@@ -48,7 +47,6 @@
  * @author Colin Evans
  * @since 10.0
  */
-@Beta
 @GwtCompatible
 @ElementTypesAreNonnullByDefault
 public final class UnsignedLongs {

guava/src/com/google/common/primitives/UnsignedLongs.java

@@ -18,7 +18,6 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkPositionIndexes;
 
-import com.google.common.annotations.Beta;
 import com.google.common.annotations.GwtCompatible;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import java.math.BigInteger;
@@ -48,7 +47,6 @@
  * @author Colin Evans
  * @since 10.0
  */
-@Beta
 @GwtCompatible
 @ElementTypesAreNonnullByDefault
 public final class UnsignedLongs {