Revert "[WINLOGON] Temporarily hack around a bug in PSEH for GCC"

This reverts commit ddbe971, now that PSEH has been fixed
in commit d50b8c9 (PR reactos#8350).

CORE-20307 CORE-20309 CORE-20316

Author: HBelusca

base/system/winlogon/sas.c

@@ -497,13 +497,7 @@ CloseAllConnections(
 {
     if (!Session->UserToken || !ImpersonateLoggedOnUser(Session->UserToken))
         return;
-    _SEH2_TRY // Temporary HACK to avoid SEH crashes triggered by OutputDebugStringA()
-    {         // calls from WNetClearConnections(). CORE-20307, CORE-20309, CORE-20316
-        WNetClearConnections(NULL);
-    }
-    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
-    {}
-    _SEH2_END;
+    WNetClearConnections(NULL);
     RevertToSelf();
 }