Remove stale TODOs

Author: rjmholt

src/PowerShellEditorServices/Services/PowerShell/Console/LegacyReadLine.cs

@@ -35,7 +35,6 @@ public LegacyReadLine(
 
         public override string ReadLine(CancellationToken cancellationToken)
         {
-            // TODO: Is inputBeforeCompletion used?
             string inputBeforeCompletion = null;
             string inputAfterCompletion = null;
             CommandCompletion currentCompletion = null;
@@ -48,10 +47,6 @@ public override string ReadLine(CancellationToken cancellationToken)
             int initialCursorCol = ConsoleProxy.GetCursorLeft(cancellationToken);
             int initialCursorRow = ConsoleProxy.GetCursorTop(cancellationToken);
 
-            // TODO: Are these used?
-            int initialWindowLeft = Console.WindowLeft;
-            int initialWindowTop = Console.WindowTop;
-
             int currentCursorIndex = 0;
 
             Console.TreatControlCAsInput = true;