Minor include cleanup

src/hb-ot-shape-complex.hh

diff --git a/src/hb-ot-shape-complex.hh b/src/hb-ot-shape-complex.hh
index a48a38a..e0be8d3 100644
--- a/src/hb-ot-shape-complex.hh
+++ b/src/hb-ot-shape-complex.hh
@@ -29,6 +29,7 @@
 
 #include "hb.hh"
 
+#include "hb-ot-layout.hh"
 #include "hb-ot-shape.hh"
 #include "hb-ot-shape-normalize.hh"
 

src/hb-ot-shape.cc

diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index f0e3c8b..7f4e442 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -36,11 +36,9 @@
 #include "hb-ot-shape-normalize.hh"
 
 #include "hb-ot-face.hh"
-#include "hb-ot-layout.hh"
-#include "hb-unicode.hh"
+
 #include "hb-set.hh"
 
-#include "hb-ot-layout-gsubgpos.hh"
 #include "hb-aat-layout.hh"
 
 

src/hb-ot-shape.hh

diff --git a/src/hb-ot-shape.hh b/src/hb-ot-shape.hh
index a6a315a..52e6b11 100644
--- a/src/hb-ot-shape.hh
+++ b/src/hb-ot-shape.hh
@@ -30,7 +30,7 @@
 #include "hb.hh"
 
 #include "hb-ot-map.hh"
-#include "hb-ot-layout.hh"
+#include "hb-shape-plan.hh"