Remove redundant includes

These are all included in git-compat-util.h (when necessary), which we
include in cgit.h.

Signed-off-by: John Keeping <john@keeping.me.uk>

filter.c

@@ -8,13 +8,7 @@
 
 #include "cgit.h"
 #include "html.h"
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
 #include <dlfcn.h>
-#include <errno.h>
 #ifndef NO_LUA
 #include <lua.h>
 #include <lualib.h>

html.c

@@ -8,12 +8,6 @@
 
 #include "cgit.h"
 #include "html.h"
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <errno.h>
 
 /* Percent-encoding of each character, except: a-zA-Z0-9!$()*,./:;@- */
 static const char* url_escape_table[256] = {

shared.c

@@ -7,7 +7,6 @@
  */
 
 #include "cgit.h"
-#include <stdio.h>
 
 struct cgit_repolist cgit_repolist;
 struct cgit_context ctx;

ui-plain.c

@@ -6,7 +6,6 @@
  *   (see COPYING for full license text)
  */
 
-#include <stdio.h>
 #include "cgit.h"
 #include "ui-plain.h"
 #include "html.h"

ui-repolist.c

@@ -10,7 +10,6 @@
 #include "ui-repolist.h"
 #include "html.h"
 #include "ui-shared.h"
-#include <strings.h>
 
 static time_t read_agefile(char *path)
 {

ui-summary.c

@@ -13,7 +13,6 @@
 #include "ui-refs.h"
 #include "ui-blob.h"
 #include "ui-shared.h"
-#include <libgen.h>
 
 static int urls;