Error reporting level is set in config.inc.php, so we can remove it from web/index.php.

interface/web/index.php

@@ -28,8 +28,6 @@ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-error_reporting(E_ALL|E_STRICT);
-
 require_once('../lib/config.inc.php');
 require_once('../lib/app.inc.php');