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>

1 files changed, 0 insertions, 6 deletions

diff --git a/filter.c b/filter.c
index ebf4937..c7037a3 100644
--- a/filter.c
+++ b/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>