Untag previously skipped tests

Author: msimacek

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

@@ -15,8 +15,6 @@
 *graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_register_fd
 *graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_register_file
 *graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_register_threads
-*graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_sigbus
-*graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_sigill
 *graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_stack_overflow
 *graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_sys_xoptions
 *graalpython.lib-python.3.test.test_faulthandler.FaultHandlerTests.test_unregister