elm_scroller_legacy: remove generated legacy include

Instead replace with the type definitions in this place. It is
not included from anywhere else, so it's fine.

src/lib/elementary/elm_scroller_legacy.h

@@ -1,4 +1,42 @@
-#include "elm_interface_scrollable.eo.legacy.h"
+#ifndef _ELM_INTERFACE_SCROLLABLE_EO_TYPES
+#define _ELM_INTERFACE_SCROLLABLE_EO_TYPES
+
+/**
+ * @brief Type that controls when scrollbars should appear.
+ *
+ * See also @ref elm_interface_scrollable_policy_set.
+ *
+ * @ingroup Elm_Scroller
+ */
+typedef enum
+{
+  ELM_SCROLLER_POLICY_AUTO = 0, /**< Show scrollbars as needed */
+  ELM_SCROLLER_POLICY_ON, /**< Always show scrollbars */
+  ELM_SCROLLER_POLICY_OFF, /**< Never show scrollbars */
+  ELM_SCROLLER_POLICY_LAST /**< Sentinel value to indicate last enum field
+                            * during iteration */
+} Elm_Scroller_Policy;
+
+/**
+ * @brief Type that controls how the content is scrolled.
+ *
+ * See also @ref elm_interface_scrollable_single_direction_set.
+ *
+ * @ingroup Elm_Scroller
+ */
+typedef enum
+{
+  ELM_SCROLLER_SINGLE_DIRECTION_NONE = 0, /**< Scroll every direction */
+  ELM_SCROLLER_SINGLE_DIRECTION_SOFT, /**< Scroll single direction if the
+                                       * direction is certain */
+  ELM_SCROLLER_SINGLE_DIRECTION_HARD, /**< Scroll only single direction */
+  ELM_SCROLLER_SINGLE_DIRECTION_LAST /**< Sentinel value to indicate last enum
+                                      * field during iteration */
+} Elm_Scroller_Single_Direction;
+
+
+#endif
+
 #include "elm_scroller_eo.legacy.h"
 
 /**