Cleaned up some units/animation.hpp includes

src/playmp_controller.cpp

@@ -31,7 +31,6 @@
 #include "savegame.hpp"
 #include "sound.hpp"
 #include "formula/string_utils.hpp"
-#include "units/animation.hpp"
 #include "whiteboard/manager.hpp"
 #include "countdown_clock.hpp"
 #include "synced_context.hpp"

src/playsingle_controller.cpp

@@ -52,7 +52,6 @@
 #include "statistics.hpp"
 #include "storyscreen/interface.hpp"
 #include "units/unit.hpp"
-#include "units/animation.hpp"
 #include "util.hpp"
 #include "wesnothd_connection_error.hpp"
 #include "whiteboard/manager.hpp"

src/units/animation_component.cpp

@@ -18,7 +18,6 @@
 #include "display.hpp"
 #include "map/map.hpp"
 #include "preferences.hpp"
-#include "units/animation.hpp"
 #include "units/unit.hpp"
 #include "units/types.hpp"