Cleanup: redundant struct declarations

source/blender/blenkernel/BKE_pbvh.h

@@ -48,7 +48,6 @@ struct Mesh;
 struct PBVH;
 struct PBVHNode;
 struct SubdivCCG;
-struct TaskParallelSettings;
 struct TaskParallelTLS;
 
 typedef struct PBVH PBVH;

source/blender/blenlib/BLI_task.h

@@ -19,7 +19,6 @@
 
 #include <string.h> /* for memset() */
 
-struct Link;
 struct ListBase;
 
 /** \file

source/blender/draw/intern/draw_common.h

@@ -23,10 +23,8 @@
 #ifndef __DRAW_COMMON_H__
 #define __DRAW_COMMON_H__
 
-struct DRWCallBuffer;
 struct DRWPass;
 struct DRWShadingGroup;
-struct GPUBatch;
 struct GPUMaterial;
 struct ModifierData;
 struct Object;

source/blender/editors/include/ED_mball.h

@@ -25,7 +25,6 @@
 #define __ED_MBALL_H__
 
 struct Base;
-struct MetaBall;
 struct Object;
 struct UndoType;
 struct bContext;

source/blender/editors/include/ED_transform.h

@@ -27,8 +27,6 @@
 /* ******************* Registration Function ********************** */
 
 struct Object;
-struct SnapObjectContext;
-struct SnapObjectParams;
 struct bContext;
 struct wmKeyConfig;
 struct wmOperatorType;
@@ -107,7 +105,6 @@ bool calculateTransformCenter(struct bContext *C,
 
 struct Object;
 struct Scene;
-struct TransInfo;
 struct wmGizmoGroup;
 struct wmGizmoGroupType;
 

source/blender/editors/transform/transform_snap.h

@@ -26,6 +26,8 @@
 /* For enum. */
 #include "DNA_space_types.h"
 
+struct SnapObjectParams;
+
 bool peelObjectsTransform(struct TransInfo *t,
                           const float mval[2],
                           const bool use_peel_object,