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

Nothing outstanding here. A number of call places were not justified and
removed.
diff --git a/src/server.c b/src/server.c
index df90b22..4751065 100644
--- a/src/server.c
+++ b/src/server.c
@@ -28,6 +28,7 @@
 #include <haproxy/errors.h>
 #include <haproxy/global.h>
 #include <haproxy/namespace.h>
+#include <haproxy/queue.h>
 #include <haproxy/sample.h>
 #include <haproxy/stats-t.h>
 #include <haproxy/stream_interface.h>
@@ -36,7 +37,6 @@
 
 #include <haproxy/port_range.h>
 #include <haproxy/protocol.h>
-#include <proto/queue.h>
 #include <proto/server.h>
 #include <proto/stream.h>
 #include <netinet/tcp.h>