Revert "Skip test_gdb for now"

This reverts commit db3aa2889c.

gdb was fixed in gdb-14.2-13.fc41

python3.13.spec

@@ -1299,7 +1299,6 @@ CheckPython() {
   # test_check_probes is failing since it was introduced in 3.12.0rc1,
   # the test is skipped until it is fixed in upstream.
   # see: https://github.com/python/cpython/issues/104280#issuecomment-1669249980
-  # test_gdb is skipped due to https://bugzilla.redhat.com/2275274#c11
   # test_signal is skipped due to https://github.com/python/cpython/issues/118989
   # test.test_concurrent_futures.test_deadlock tends to time out on s390x in
   # freethreading{,-debug} build, skipping it to shorten the build time
@@ -1307,7 +1306,6 @@ CheckPython() {
     -wW --slowest %{_smp_mflags} --timeout=2700 \
     -i test_freeze_simple_script \
     -i test_check_probes \
-    -x test_gdb \
     %ifarch %{mips64}
     -x test_ctypes \
     %endif