Removed the unwanted namespaces.

Author: Brundhasf3969

TabViewSample/TabViewSample/ViewModel/TabViewPage1ViewModel.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace TabViewSample
+namespace TabViewSample
 {
     public class TabViewPage1ViewModel
     {

TabViewSample/TabViewSample/ViewModel/TabViewPage2ViewModel.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace TabViewSample
+namespace TabViewSample
 {
     public class TabViewPage2ViewModel
     {

TabViewSample/TabViewSample/ViewModel/TabViewPage3ViewModel.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace TabViewSample
+namespace TabViewSample
 {
     public class TabViewPage3ViewModel
     {

TabViewSample/TabViewSample/ViewModel/ViewModel.cs

@@ -1,10 +1,5 @@
 using Syncfusion.Maui.TabView;
-using System;
-using System.Collections.Generic;
 using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace TabViewSample
 {