[gnome-online-accounts] backend: Remove redundant type declaration

[Debarshi Ray <debarshir src gnome org>]

commit 2dacae40837ec4331176876b61be6ebcbe09dfb5
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Feb 7 17:04:16 2017 +0100

    backend: Remove redundant type declaration
    
    This is now taken care of by G_DECLARE_DERIVABLE_TYPE.

 src/goabackend/goabackendtypes.h |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/src/goabackend/goabackendtypes.h b/src/goabackend/goabackendtypes.h
index a34f477..b8c240f 100644
--- a/src/goabackend/goabackendtypes.h
+++ b/src/goabackend/goabackendtypes.h
@@ -28,9 +28,6 @@
 
 G_BEGIN_DECLS
 
-struct _GoaProvider;
-typedef struct _GoaProvider GoaProvider;
-
 G_END_DECLS
 
 #endif /* __GOA_BACKEND_TYPES_H__ */