Belatedly remove the GWT-only overloads of Futures.catching and `ca…

…tchingAsync` that let callers omit the `Executor`.

We removed these long ago from the non-GWT versions.

RELNOTES=`util.concurrent`: Removed the GWT-only overloads of `Futures.catching` and `catchingAsync` that let callers omit the `Executor`. This matches a change made years ago to the non-GWT API.
PiperOrigin-RevId: 364914418

guava-gwt/src-super/com/google/common/util/concurrent/super/com/google/common/util/concurrent/GwtFuturesCatchingSpecialization.java

@@ -14,8 +14,6 @@
 
 package com.google.common.util.concurrent;
 
-import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
-
 import com.google.common.base.Function;
 import java.util.concurrent.Executor;
 
@@ -31,15 +29,6 @@ abstract class GwtFuturesCatchingSpecialization {
    * your own instanceof tests.
    */
 
-  /** @deprecated Use the overload that requires an executor. */
-  @Deprecated
-  public static <V> ListenableFuture<V> catching(
-      ListenableFuture<? extends V> input,
-      Class<Throwable> exceptionType,
-      Function<? super Throwable, ? extends V> fallback) {
-    return AbstractCatchingFuture.create(input, exceptionType, fallback, directExecutor());
-  }
-
   public static <V> ListenableFuture<V> catching(
       ListenableFuture<? extends V> input,
       Class<Throwable> exceptionType,
@@ -48,15 +37,6 @@ public static <V> ListenableFuture<V> catching(
     return AbstractCatchingFuture.create(input, exceptionType, fallback, executor);
   }
 
-  /** @deprecated Use the overload that requires an executor. */
-  @Deprecated
-  public static <V> ListenableFuture<V> catchingAsync(
-      ListenableFuture<? extends V> input,
-      Class<Throwable> exceptionType,
-      AsyncFunction<? super Throwable, ? extends V> fallback) {
-    return AbstractCatchingFuture.create(input, exceptionType, fallback, directExecutor());
-  }
-
   public static <V> ListenableFuture<V> catchingAsync(
       ListenableFuture<? extends V> input,
       Class<Throwable> exceptionType,