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

List.h was missing for LIST_ADDQ(). A few unneeded includes of action.h
were removed from certain files.

This one still relies on applet.h and stick-table.h.
diff --git a/src/checks.c b/src/checks.c
index b5c76fb..279e8af 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -30,6 +30,7 @@
 #include <netinet/tcp.h>
 #include <arpa/inet.h>
 
+#include <haproxy/action.h>
 #include <haproxy/api.h>
 #include <common/cfgparse.h>
 #include <haproxy/chunk.h>
@@ -48,7 +49,6 @@
 #include <types/dns.h>
 #include <types/stats.h>
 
-#include <proto/action.h>
 #include <proto/arg.h>
 #include <proto/backend.h>
 #include <proto/checks.h>