untag a couple of tests that fail on darwin aarch64

Author: timfel

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_ctypes.txt

@@ -253,7 +253,6 @@
 *ctypes.test.test_prototypes.WCharPointersTestCase.test_c_wchar_p_arg
 *ctypes.test.test_python_api.PythonAPITestCase.test_PyBytes_FromStringAndSize
 *ctypes.test.test_python_api.PythonAPITestCase.test_PyLong_Long
-*ctypes.test.test_python_api.PythonAPITestCase.test_PyOS_snprintf
 *ctypes.test.test_python_api.PythonAPITestCase.test_PyObj_FromPtr
 *ctypes.test.test_python_api.PythonAPITestCase.test_PyString_FromString
 *ctypes.test.test_random_things.call_function_TestCase.test

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_int.txt

@@ -1,4 +1,3 @@
-*graalpython.lib-python.3.test.test_int.IntStrDigitLimitsTests.test_denial_of_service_prevented_int_to_str
 *graalpython.lib-python.3.test.test_int.IntStrDigitLimitsTests.test_denial_of_service_prevented_str_to_int
 *graalpython.lib-python.3.test.test_int.IntStrDigitLimitsTests.test_disabled_limit
 *graalpython.lib-python.3.test.test_int.IntStrDigitLimitsTests.test_int_from_other_bases