evas: Remove Efl.Canvas.Text.Annotation from evas_types.eot

This moves it to efl/interfaces which may not be the best...
@herdsman should know where to place this opaque definition.

Ref T5312

src/lib/efl/interfaces/efl_text_types.eot

@@ -6,3 +6,5 @@ enum Efl.Text.Bidirectional_Type {
    rtl, [[Right to left text type]]
    inherit [[Inherit text type]]
 }
+
+struct Efl.Canvas.Text.Annotation; [[EFL text annotations data structure]]

src/lib/evas/canvas/evas_types.eot

@@ -290,5 +290,3 @@ enum Evas.Canvas3D.Material_Attrib
 }
 
 type Evas.Canvas3D.Surface_Func: __undefined_type; [[Evas 3D canvas surface function type]]
-
-struct Efl.Canvas.Text.Annotation; [[EFL text annotations data structure]]