Issue #23184: delete unused idlelib file.
diff --git a/Lib/idlelib/testcode.py b/Lib/idlelib/testcode.py
deleted file mode 100644
index 05eaa56..0000000
--- a/Lib/idlelib/testcode.py
+++ /dev/null
@@ -1,31 +0,0 @@
-import string
-
-def f():
-    a = 0
-    b = 1
-    c = 2
-    d = 3
-    e = 4
-    g()
-
-def g():
-    h()
-
-def h():
-    i()
-
-def i():
-    j()
-
-def j():
-    k()
-
-def k():
-    l()
-
-l = lambda: test()
-
-def test():
-    string.capwords(1)
-
-f()