test_sys: remove debug print() (#108642)

Lib/test/test_sys.py

diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 9dce15e..f3608ce 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -732,7 +732,6 @@ def test_subinterp_intern_statically_allocated(self):
         s = '__init__'
         t = sys.intern(s)
 
-        print('------------------------')
         interp = interpreters.create()
         interp.run(textwrap.dedent(f'''
             import sys