Revert "feat: V2Ray TLS AllowInsecure Setting"

This reverts commit 591f8e5a5c.

Netch/Servers/VLESS/VLESSForm/VLESSForm.cs

@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using Netch.Forms;
 
 namespace Netch.Servers.VLESS.VLESSForm
@@ -39,19 +38,9 @@ namespace Netch.Servers.VLESS.VLESSForm
                 s => true,
                 s => server.Path = s,
                 server.Path);
-            CreateComboBox("TLSSecure", "TLS Secure",
-                new List<string> {"", "true", "false"},
-                s =>
-                {
-                    server.TLSSecure = s switch
-                    {
-                        "" => null,
-                        "true" => true,
-                        "false" => false,
-                        _ => null
-                    };
-                },
-                server.TLSSecure?.ToString() ?? string.Empty);
+            CreateCheckBox("TLSSecure", "TLS Secure",
+                b => server.TLSSecure = b,
+                server.TLSSecure);
             CreateCheckBox("UseMux", "Use Mux",
                 b => server.UseMux = b,
                 server.UseMux);