Remove usesless readline compat includes which will reinclude readline.h

itself.

This simplifies the upcoming update to newer libedit.

contrib/gdb/gdb/cli/cli-cmds.c

@@ -21,7 +21,6 @@
 
 #include "defs.h"
 #include "readline/readline.h"
-#include "readline/tilde.h"
 #include "completer.h"
 #include "target.h"	 /* For baud_rate, remote_debug and remote_timeout */
 #include "gdb_wait.h"		/* For shell escape implementation */

contrib/gdb/gdb/cli/cli-setshow.c

@@ -18,7 +18,6 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
-#include "readline/tilde.h"
 #include "value.h"
 #include <ctype.h>
 #include "gdb_string.h"

contrib/gdb/gdb/event-top.c

@@ -34,7 +34,6 @@
 
 /* readline include files */
 #include "readline/readline.h"
-#include "readline/history.h"
 
 /* readline defines this.  */
 #undef savestring

contrib/gdb/gdb/top.c

@@ -48,7 +48,6 @@
 
 /* readline include files */
 #include "readline/readline.h"
-#include "readline/history.h"
 
 /* readline defines this.  */
 #undef savestring

contrib/gdb/gdb/tracepoint.c

@@ -45,7 +45,6 @@
 
 /* readline include files */
 #include "readline/readline.h"
-#include "readline/history.h"
 
 /* readline defines this.  */
 #undef savestring

gnu/usr.bin/gdb/kgdb/trgt.c

@@ -37,7 +37,6 @@ __FBSDID("$FreeBSD$");
 
 #include <defs.h>
 #include <readline/readline.h>
-#include <readline/tilde.h>
 #include <command.h>
 #include <exec.h>
 #include <frame-unwind.h>