chore(dateinput):fixed outdated example (#534)

* chore(dateinput):fixed outdated example

* chore(dateinput):removed first outdated example

* chore(dateinput):removed example with two-digit year and hours

Author: xristianstefanov

components/dateinput/images/custom-date-formats.png

@@ -152,16 +152,12 @@ Console.WriteLine(date.ToString("hh:mm:ss tt", CultureInfo.GetCultureInfo("bg-bg
 @TheDate
 <br />
 
-<TelerikDateInput @bind-Value="TheDate" Format="dd MM yy" /> @TheDate.ToString("dd MM yy")
-<br />
 <TelerikDateInput @bind-Value="TheDate" Format="dd MMM yyyy" /> @TheDate.ToString("dd MMM yyyy")
 <br />
 <TelerikDateInput @bind-Value="TheDate" Format="dddd, dd MMM yyyy" /> @TheDate.ToString("dddd, dd MMM yyyy")
 <br />
 <TelerikDateInput @bind-Value="TheDate" Format="HH:mm:ss" /> @TheDate.ToString("HH:mm:ss")
 <br />
-<TelerikDateInput @bind-Value="TheDate" Format="d M yy h:m:s tt" /> @TheDate.ToString("d M yy h:m:s")
-<br />
 <TelerikDateInput @bind-Value="TheDate" Format="dd MMM yyyy H:mm:ss" /> @TheDate.ToString("dd MMM yyyy H:mm:ss")
 <br />
 <TelerikDateInput @bind-Value="TheDate" Format="dd MMMM yyyy HH:mm:ss" /> @TheDate.ToString("dd MMMM yyyy HH:mm:ss")