Remove generic methods from IDispatcher.

src/Avalonia.Base/Threading/IDispatcher.cs

@@ -26,15 +26,6 @@ namespace Avalonia.Threading
         /// <param name="priority">The priority with which to invoke the method.</param>
         void Post(Action action, DispatcherPriority priority = default);
 
-        /// <summary>
-        /// Posts an action that will be invoked on the dispatcher thread.
-        /// </summary>
-        /// <typeparam name="T">type of argument</typeparam>
-        /// <param name="action">The method to call.</param>
-        /// <param name="arg">The argument of method to call.</param>
-        /// <param name="priority">The priority with which to invoke the method.</param>
-        void Post<T>(Action<T> action, T arg, DispatcherPriority priority = default);
-
         /// <summary>
         /// Invokes a action on the dispatcher thread.
         /// </summary>
@@ -43,14 +34,6 @@ namespace Avalonia.Threading
         /// <returns>A task that can be used to track the method's execution.</returns>
         Task InvokeAsync(Action action, DispatcherPriority priority = default);
 
-        /// <summary>
-        /// Invokes a method on the dispatcher thread.
-        /// </summary>
-        /// <param name="function">The method.</param>
-        /// <param name="priority">The priority with which to invoke the method.</param>
-        /// <returns>A task that can be used to track the method's execution.</returns>
-        Task<TResult> InvokeAsync<TResult>(Func<TResult> function, DispatcherPriority priority = default);
-
         /// <summary>
         /// Queues the specified work to run on the dispatcher thread and returns a proxy for the
         /// task returned by <paramref name="function"/>.
@@ -59,14 +42,5 @@ namespace Avalonia.Threading
         /// <param name="priority">The priority with which to invoke the method.</param>
         /// <returns>A task that represents a proxy for the task returned by <paramref name="function"/>.</returns>
         Task InvokeAsync(Func<Task> function, DispatcherPriority priority = default);
-
-        /// <summary>
-        /// Queues the specified work to run on the dispatcher thread and returns a proxy for the
-        /// task returned by <paramref name="function"/>.
-        /// </summary>
-        /// <param name="function">The work to execute asynchronously.</param>
-        /// <param name="priority">The priority with which to invoke the method.</param>
-        /// <returns>A task that represents a proxy for the task returned by <paramref name="function"/>.</returns>
-        Task<TResult> InvokeAsync<TResult>(Func<Task<TResult>> function, DispatcherPriority priority = default);
     }
 }