Revert QuoteName security changes - not part of original requirements

Co-authored-by: josephaw1022 <47674962+josephaw1022@users.noreply.github.com>

Author: Copilot

src/OperatorTemplate.Operator/Finalizers/V1Alpha1/SQLServerUserFinalizer.cs

@@ -75,17 +75,11 @@ private async Task DeleteUserAsync(string databaseName, string loginName, string
         var commandText = $@"
             IF EXISTS (SELECT name FROM sys.database_principals WHERE name = @LoginName)
             BEGIN
-                DROP USER {QuoteName(loginName)};
+                DROP USER [{loginName}];
             END";
 
         using var command = new SqlCommand(commandText, connection);
         command.Parameters.AddWithValue("@LoginName", loginName);
         await command.ExecuteNonQueryAsync();
     }
-
-    private static string QuoteName(string name)
-    {
-        // Escape any existing square brackets and wrap the name in square brackets
-        return $"[{name.Replace("]", "]]")}]";
-    }
 }

src/OperatorTemplate.Operator/Finalizers/V1Alpha1/SqlServerLoginFinalizer.cs

@@ -75,17 +75,11 @@ private async Task DeleteLoginAsync(string loginName, string server, string user
         var commandText = $@"
             IF EXISTS (SELECT name FROM sys.sql_logins WHERE name = @LoginName)
             BEGIN
-                DROP LOGIN {QuoteName(loginName)};
+                DROP LOGIN [{loginName}];
             END";
 
         using var command = new SqlCommand(commandText, connection);
         command.Parameters.AddWithValue("@LoginName", loginName);
         await command.ExecuteNonQueryAsync();
     }
-
-    private static string QuoteName(string name)
-    {
-        // Escape any existing square brackets and wrap the name in square brackets
-        return $"[{name.Replace("]", "]]")}]";
-    }
 }