Revert "Skip test_sendfile_close_peer_in_the_middle_of_receiving on ppc64le"

This was fixed upstream in https://github.com/python/cpython/pull/123422

This reverts commit b2d96079e9.

python3.12.spec

@@ -1161,8 +1161,6 @@ CheckPython() {
   # 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_sendfile_close_peer_in_the_middle_of_receiving:
-  #  https://github.com/python/cpython/issues/120226
 
   LD_LIBRARY_PATH=$ConfDir $ConfDir/python -m test.regrtest \
     -wW --slowest %{_smp_mflags} --timeout=2700 \
@@ -1172,9 +1170,6 @@ CheckPython() {
     %ifarch %{mips64}
     -x test_ctypes \
     %endif
-    %ifarch ppc64le
-    -i test_sendfile_close_peer_in_the_middle_of_receiving \
-    %endif
 
   echo FINISHED: CHECKING OF PYTHON FOR CONFIGURATION: $ConfName