REORG: include: move channel.h to haproxy/channel{,-t}.h
The files were moved with no change. The callers were cleaned up a bit
and a few of them had channel.h removed since not needed.
diff --git a/src/flt_trace.c b/src/flt_trace.c
index 1c200ce..aaf63d3 100644
--- a/src/flt_trace.c
+++ b/src/flt_trace.c
@@ -13,12 +13,12 @@
#include <ctype.h>
#include <haproxy/api.h>
+#include <haproxy/channel-t.h>
#include <haproxy/http_htx.h>
#include <haproxy/htx.h>
#include <haproxy/tools.h>
#include <haproxy/time.h>
-#include <types/channel.h>
#include <types/filters.h>
#include <haproxy/global.h>
#include <types/proxy.h>