event-top.h declares the_prompts, but it is never defined. It's a
leftover from some ancient refactoring.
Similarly, top.c defines a few prompt-related macros, but these are
unused.
This patch removes these.
extern bool set_editing_cmd_var;
extern bool exec_done_display_p;
-extern struct prompts the_prompts;
extern void (*after_char_processing_hook) (void);
extern int call_stdin_event_handler_again_p;
extern void gdb_readline_no_editing_callback (void *client_data);
extern void initialize_all_files (void);
-#define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt
-#define PREFIX(X) the_prompts.prompt_stack[the_prompts.top + X].prefix
-#define SUFFIX(X) the_prompts.prompt_stack[the_prompts.top + X].suffix
-
/* Default command line prompt. This is overridden in some configs. */
#ifndef DEFAULT_PROMPT