Remove unused header file and references to it

docs/hacking-howto

@@ -400,8 +400,8 @@ the correct state.
 Then, it looks through all bindings and gets the one which matches the received
 event.
 
-The bound command is parsed by the cmdparse lexer/parser, see +parse_cmd+ in
-+src/cmdparse.y+.
+The bound command is parsed by the i3 parser, see +parse_command+ in
++src/commands_parser.c+.
 
 == Manage windows (src/main.c, manage_window() and reparent_window())
 

include/all.h

@@ -56,7 +56,6 @@
 #include "render.h"
 #include "window.h"
 #include "match.h"
-#include "cmdparse.h"
 #include "xcursor.h"
 #include "resize.h"
 #include "sighandler.h"

include/cmdparse.h

@@ -1,14 +0,0 @@
-/*
- * vim:ts=4:sw=4:expandtab
- *
- * i3 - an improved dynamic tiling window manager
- * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
- *
- * cmdparse.y: the parser for commands you send to i3 (or bind on keys)
- *
- */
-#pragma once
-
-#include <config.h>
-
-char *parse_cmd(const char *new);