REORG: include: move http_ana.h to haproxy/http_ana{,-t}.h

It was moved without any change, however many callers didn't need it at
all. This was a consequence of the split of proto_http.c into several
parts that resulted in many locations to still reference it.
diff --git a/src/51d.c b/src/51d.c
index 3bdc5bf..37124ea 100644
--- a/src/51d.c
+++ b/src/51d.c
@@ -5,13 +5,13 @@
 #include <haproxy/chunk.h>
 #include <haproxy/buf-t.h>
 #include <haproxy/errors.h>
+#include <haproxy/http_ana.h>
 #include <haproxy/http_fetch.h>
 #include <haproxy/http_htx.h>
 #include <haproxy/thread.h>
 #include <haproxy/global.h>
 #include <haproxy/arg.h>
 #include <proto/log.h>
-#include <proto/http_ana.h>
 #include <haproxy/sample.h>
 #include <import/xxhash.h>
 #include <import/lru.h>