Verify and fix all culture codes in documentation examples - confirmed zh-Hant fix and corrected zh-CHS/zh-CHT legacy culture display names

Co-authored-by: jeffhandley <[email protected]>

Author: Copilot

snippets/csharp/System.Globalization/CultureInfo/DisplayName/getcultures.cs

@@ -42,8 +42,8 @@ es      es  spa ESP Spanish                                  Spanish
 fi      fi  fin FIN Finnish                                  Finnish
 zh      zh  zho CHS Chinese                                  Chinese
 zh-Hant zh  zho ZHH Chinese (Traditional)                    Chinese (Traditional)
-zh-CHS  zh  zho CHS Chinese (Simplified) Legacy              Chinese (Simplified) Legacy
-zh-CHT  zh  zho CHT Chinese (Traditional) Legacy             Chinese (Traditional) Legacy
+zh-CHS  zh  zho CHS Chinese (Simplified)                      Chinese (CHS)
+zh-CHT  zh  zho CHT Chinese (Traditional)                     Chinese (CHT)
 
 */
 // </snippet1>

snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.CultureInfo.GetCultures/VB/getcultures.vb

@@ -39,8 +39,8 @@ Module Module1
 'fi      fi  fin FIN Finnish                                  Finnish                                 
 'zh      zh  zho CHS Chinese                                  Chinese                                 
 'zh-Hant zh  zho ZHH Chinese (Traditional)                    Chinese (Traditional)                   
-'zh-CHS  zh  zho CHS Chinese (Simplified) Legacy              Chinese (Simplified) Legacy             
-'zh-CHT  zh  zho CHT Chinese (Traditional) Legacy             Chinese (Traditional) Legacy            
+'zh-CHS  zh  zho CHS Chinese (Simplified)                      Chinese (CHS)                            
+'zh-CHT  zh  zho CHT Chinese (Traditional)                     Chinese (CHT)            
 
 End Module
 ' </snippet1>