Remove RunNoPromptExecutionLoop()

While this wasn't necessary to get the debug service unit tests running
again, it seems like an unncessary code path that causes unit tests to
behave slightly differently than production code, which I don't like.

Author: andyleejordan

src/PowerShellEditorServices/Services/PowerShell/Host/PsesInternalHost.cs

@@ -539,16 +539,7 @@ private void RunTopLevelExecutionLoop()
                 // Signal that we are ready for outside services to use
                 _started.TrySetResult(true);
 
-                if (_hostInfo.ConsoleReplEnabled)
-                {
-                    RunExecutionLoop();
-                }
-                else
-                {
-                    // TODO: Is this really necessary? The other 'RunExecutionLoop' already handles
-                    // the case where the console REPL isn't enabled.
-                    RunNoPromptExecutionLoop();
-                }
+                RunExecutionLoop();
             }
             catch (Exception e)
             {
@@ -561,30 +552,6 @@ private void RunTopLevelExecutionLoop()
             _stopped.SetResult(true);
         }
 
-        private void RunNoPromptExecutionLoop()
-        {
-            while (!ShouldExitExecutionLoop)
-            {
-                using (CancellationScope cancellationScope = _cancellationContext.EnterScope(isIdleScope: false))
-                {
-                    string taskRepresentation = null;
-                    try
-                    {
-                        ISynchronousTask task = _taskQueue.Take(cancellationScope.CancellationToken);
-                        taskRepresentation = task.ToString();
-                        task.ExecuteSynchronously(cancellationScope.CancellationToken);
-                    }
-                    catch (OperationCanceledException)
-                    {
-                        // Just continue
-                    }
-                    catch (Exception e)
-                    {
-                        _logger.LogError(e, $"Fatal exception occurred with task '{taskRepresentation ?? "<null task>"}'");
-                    }
-                }
-            }
-        }
 
         private void RunDebugExecutionLoop()
         {