Remove disabled test code

Loading Unix libraries via getattr() was disabled before ctypes was added to
Python.
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 339ae8a..8856f65 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -318,10 +318,6 @@
         print(find_library("c"))
         print(find_library("bz2"))
 
-        # getattr
-##        print cdll.m
-##        print cdll.bz2
-
         # load
         if sys.platform == "darwin":
             print(cdll.LoadLibrary("libm.dylib"))