Remove unused headers

With help from
https://github.com/include-what-you-use/include-what-you-use/

i3bar/include/common.h

@@ -9,7 +9,6 @@
 
 #include <config.h>
 
-#include <stdbool.h>
 #include <xcb/xcb.h>
 #include <xcb/xproto.h>
 #include "libi3.h"
@@ -94,5 +93,4 @@ extern TAILQ_HEAD(statusline_head, status_block)
 #include "trayclients.h"
 #include "xcb.h"
 #include "configuration.h"
-#include "libi3.h"
 #include "parse_json_header.h"

i3bar/src/child.c

@@ -20,15 +20,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
 
-#include <xcb/xcb_keysyms.h>
-#include <yajl/yajl_common.h>
 #include <yajl/yajl_gen.h>
 #include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
 
 /* Global variables for child_*() */
 i3bar_child child;

i3bar/src/config.c

@@ -9,15 +9,12 @@
  */
 #include "common.h"
 
-#include <errno.h>
-#include <i3/ipc.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <X11/Xlib.h>
 #include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
 
 config_t config;
 static char *cur_key;

i3bar/src/ipc.c

@@ -13,11 +13,8 @@
 #include <ev.h>
 #include <i3/ipc.h>
 #include <stdint.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/socket.h>
-#include <sys/un.h>
 #include <unistd.h>
 #ifdef I3_ASAN_ENABLED
 #include <sanitizer/lsan_interface.h>

i3bar/src/main.c

@@ -7,7 +7,6 @@
  */
 #include "common.h"
 
-#include <errno.h>
 #include <ev.h>
 #include <getopt.h>
 #include <glob.h>
@@ -15,7 +14,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 
 struct ev_loop *main_loop;
 

i3bar/src/mode.c

@@ -9,13 +9,10 @@
  */
 #include "common.h"
 
-#include <errno.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
 
 /* A datatype to pass through the callbacks to save the state */
 struct mode_json_params {

i3bar/src/outputs.c

@@ -10,13 +10,11 @@
 #include "common.h"
 
 #include <errno.h>
-#include <i3/ipc.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
 
 /* A datatype to pass through the callbacks to save the state */
 struct outputs_json_params {

i3bar/src/parse_json_header.c

@@ -10,23 +10,10 @@
  */
 #include "common.h"
 
-#include <err.h>
-#include <errno.h>
-#include <ev.h>
-#include <fcntl.h>
 #include <signal.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
 
-#include <yajl/yajl_common.h>
 #include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
 
 static enum {
     KEY_VERSION,

i3bar/src/workspaces.c

@@ -9,13 +9,10 @@
  */
 #include "common.h"
 
-#include <errno.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <yajl/yajl_parse.h>
-#include <yajl/yajl_version.h>
 
 /* A datatype to pass through the callbacks to save the state */
 struct workspaces_json_params {

i3bar/src/xcb.c

@@ -10,24 +10,14 @@
 #include "common.h"
 
 #include <err.h>
-#include <errno.h>
 #include <ev.h>
-#include <fcntl.h>
 #include <i3/ipc.h>
-#include <limits.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 
-#include <X11/XKBlib.h>
-#include <X11/Xlib.h>
-#include <X11/extensions/XKB.h>
-#include <xcb/xcb.h>
 #include <xcb/xcb_aux.h>
 #include <xcb/xcb_cursor.h>
 #include <xcb/xkb.h>
-#include <xcb/xproto.h>
 
 #ifdef I3_ASAN_ENABLED
 #include <sanitizer/lsan_interface.h>