gdb: cleanup includes in mi/

Remove a few includes reported as unused by clangd.

Change-Id: I7365b7cce04c9ef1a4164764191303914da42ef9

gdb/mi/mi-cmd-break.c

@@ -20,8 +20,6 @@
 #include "arch-utils.h"
 #include "exceptions.h"
 #include "mi-cmds.h"
-#include "ui-out.h"
-#include "mi-out.h"
 #include "breakpoint.h"
 #include "mi-getopt.h"
 #include "observable.h"
@@ -30,7 +28,6 @@
 #include "language.h"
 #include "location.h"
 #include "linespec.h"
-#include "gdbsupport/gdb_obstack.h"
 #include <ctype.h>
 #include "tracepoint.h"
 

gdb/mi/mi-cmd-disas.c

@@ -19,7 +19,6 @@
 
 #include "arch-utils.h"
 #include "progspace.h"
-#include "target.h"
 #include "value.h"
 #include "mi-cmds.h"
 #include "mi-getopt.h"

gdb/mi/mi-cmd-env.c

@@ -19,11 +19,9 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "inferior.h"
-#include "value.h"
 #include "mi-out.h"
 #include "mi-cmds.h"
 #include "mi-getopt.h"
-#include "symtab.h"
 #include "target.h"
 #include "gdbsupport/environ.h"
 #include "command.h"

gdb/mi/mi-cmd-file.c

@@ -20,13 +20,12 @@
 #include "mi-cmds.h"
 #include "mi-getopt.h"
 #include "mi-interp.h"
+#include "progspace.h"
 #include "ui-out.h"
 #include "symtab.h"
 #include "source.h"
-#include "objfiles.h"
 #include "solib.h"
 #include "solist.h"
-#include "gdbsupport/gdb_regex.h"
 
 /* Return to the client the absolute path and line number of the 
    current file being executed.  */

gdb/mi/mi-cmd-stack.c

@@ -18,18 +18,15 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "event-top.h"
-#include "target.h"
 #include "frame.h"
 #include "value.h"
 #include "mi-cmds.h"
 #include "ui-out.h"
 #include "symtab.h"
 #include "block.h"
-#include "stack.h"
 #include "dictionary.h"
 #include "language.h"
 #include "valprint.h"
-#include "utils.h"
 #include "mi-getopt.h"
 #include "extension.h"
 #include <ctype.h>
@@ -37,7 +34,6 @@
 #include <optional>
 #include "gdbsupport/gdb-safe-ctype.h"
 #include "inferior.h"
-#include "observable.h"
 
 enum what_to_list { locals, arguments, all };
 

gdb/mi/mi-cmd-var.c

@@ -29,7 +29,6 @@
 #include "mi-getopt.h"
 #include "gdbthread.h"
 #include "mi-parse.h"
-#include <optional>
 #include "inferior.h"
 
 static void varobj_update_one (struct varobj *var,

gdb/mi/mi-cmds.c

@@ -18,7 +18,6 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#include "top.h"
 #include "mi-cmds.h"
 #include "mi-main.h"
 #include "mi-parse.h"

gdb/mi/mi-interp.c

@@ -23,7 +23,6 @@
 #include "exceptions.h"
 #include "interps.h"
 #include "event-top.h"
-#include "gdbsupport/event-loop.h"
 #include "inferior.h"
 #include "infrun.h"
 #include "ui-out.h"

gdb/mi/mi-main.c

@@ -30,11 +30,9 @@
 #include "mi-cmds.h"
 #include "mi-parse.h"
 #include "mi-getopt.h"
-#include "mi-console.h"
 #include "ui-out.h"
 #include "mi-out.h"
 #include "interps.h"
-#include "gdbsupport/event-loop.h"
 #include "event-top.h"
 #include "gdbcore.h"
 #include "value.h"
@@ -45,7 +43,6 @@
 #include "language.h"
 #include "valprint.h"
 #include "osdata.h"
-#include "gdbsupport/gdb_splay_tree.h"
 #include "tracepoint.h"
 #include "ada-lang.h"
 #include "linespec.h"
@@ -60,7 +57,6 @@
 #include <chrono>
 #include "progspace-and-thread.h"
 #include "gdbsupport/rsp-low.h"
-#include <algorithm>
 #include <set>
 #include <map>
 

gdb/mi/mi-parse.c

@@ -21,7 +21,6 @@
 
 #include "mi-cmds.h"
 #include "mi-parse.h"
-#include "charset.h"
 
 #include <ctype.h>
 #include "cli/cli-utils.h"