Drop track_errors from options,

as this may raise E_DEPRECATED warning and thus make test suite fail

Author: remicollet

PEAR/RunTest.php

@@ -64,7 +64,6 @@ class PEAR_RunTest
         'display_errors=1',
         'log_errors=0',
         'html_errors=0',
-        'track_errors=1',
         'report_memleaks=0',
         'report_zend_debug=0',
         'docref_root=',