Remove no-arg overloads

Author: ZacSweers

src/main/java/io/reactivex/plugins/RxJavaPlugins.java

@@ -928,16 +928,6 @@ public static Completable onAssembly(Completable source) {
         return source;
     }
 
-    /**
-     * Create an instance of the default {@link Scheduler} used for {@link Schedulers#computation()}.
-     * @return the created Scheduler instance
-     * @since 2.0.5 - experimental
-     */
-    @Experimental
-    public static Scheduler newComputation() {
-        return new ComputationScheduler();
-    }
-
     /**
      * Create an instance of the default {@link Scheduler} used for {@link Schedulers#computation()}
      * except using {@code threadFactory} for thread creation.
@@ -951,16 +941,6 @@ public static Scheduler newComputation(ThreadFactory threadFactory) {
         return new ComputationScheduler(ObjectHelper.requireNonNull(threadFactory, "threadFactory is null"));
     }
 
-    /**
-     * Create an instance of the default {@link Scheduler} used for {@link Schedulers#io()}.
-     * @return the created Scheduler instance
-     * @since 2.0.5 - experimental
-     */
-    @Experimental
-    public static Scheduler newIo() {
-        return new IoScheduler();
-    }
-
     /**
      * Create an instance of the default {@link Scheduler} used for {@link Schedulers#io()}
      * except using {@code threadFactory} for thread creation.
@@ -974,16 +954,6 @@ public static Scheduler newIo(ThreadFactory threadFactory) {
         return new IoScheduler(ObjectHelper.requireNonNull(threadFactory, "threadFactory is null"));
     }
 
-    /**
-     * Create an instance of the default {@link Scheduler} used for {@link Schedulers#newThread()}.
-     * @return the created Scheduler instance
-     * @since 2.0.5 - experimental
-     */
-    @Experimental
-    public static Scheduler newNewThread() {
-        return new NewThreadScheduler();
-    }
-
     /**
      * Create an instance of the default {@link Scheduler} used for {@link Schedulers#newThread()}
      * except using {@code threadFactory} for thread creation.
@@ -997,16 +967,6 @@ public static Scheduler newNewThread(ThreadFactory threadFactory) {
         return new NewThreadScheduler(ObjectHelper.requireNonNull(threadFactory, "threadFactory is null"));
     }
 
-    /**
-     * Create an instance of the default {@link Scheduler} used for {@link Schedulers#single()}.
-     * @return the created Scheduler instance
-     * @since 2.0.5 - experimental
-     */
-    @Experimental
-    public static Scheduler newSingle() {
-        return new SingleScheduler();
-    }
-
     /**
      * Create an instance of the default {@link Scheduler} used for {@link Schedulers#single()}
      * except using {@code threadFactory} for thread creation.