test(playwright): drop inert defensive teardown in Sites dup-identifier test (review fix)

tests/ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests/SiteCrudTests.cs

@@ -215,8 +215,6 @@ public class SiteCrudTests
 
         var page = await _fixture.NewAuthenticatedPageAsync();
 
-        try
-        {
         await page.GotoAsync($"{PlaywrightFixture.BaseUrl}/admin/sites/create");
         await page.WaitForLoadStateAsync(LoadState.NetworkIdle);
 
@@ -231,20 +229,10 @@ public class SiteCrudTests
         await Expect(page.Locator("div.text-danger.small.mt-2")).ToContainTextAsync("Save failed");
         await Assertions.Expect(page)
             .ToHaveURLAsync(new System.Text.RegularExpressions.Regex("/admin/sites/create"));
-        }
+
-        finally
+        // No teardown: the SiteIdentifier unique index guarantees the create persisted nothing.
-        {
+        // A spuriously-persisted row would carry identifier "site-a" (not distinctName), and that
-            // Defensive: the failed create persists nothing, but if a stray site by the
+        // cannot be auto-deleted without destroying the real seed — so there is nothing safe to sweep.
-            // distinct name somehow exists, best-effort delete it (swallow not-found).
-            try
-            {
-                await CliRunner.DeleteSiteAsync(await CliRunner.ResolveSiteIdAsync(distinctName));
-            }
-            catch
-            {
-                // Nothing persisted (expected) or cluster unreachable — ignore.
-            }
-        }
     }
 
     /// <summary>