Remove inaccurate (and it turns out, entirely superfluous) declarations of

PyOS_InputHook and PyOS_ReadlineFunctionPointer).

The inaccuracies were causing problems in framework builds on Mac OS X.

Modules/readline.c

@@ -31,10 +31,6 @@
 	rl_completion_matches((x), ((rl_compentry_func_t *)(y)))
 #endif
 
-/* Pointers needed from outside (but not declared in a header file). */
-PyAPI_FUNC(int) (*PyOS_InputHook)(void);
-PyAPI_FUNC(char) *(*PyOS_ReadlineFunctionPointer)(FILE *, FILE *,char *);
-
 
 /* Exported function to send one line to readline's init file parser */