Cleanup: remove redundant function

source/blender/blenkernel/BKE_library.h

@@ -184,7 +184,6 @@ void id_us_plus(struct ID *id);
 void id_us_min(struct ID *id);
 void id_fake_user_set(struct ID *id);
 void id_fake_user_clear(struct ID *id);
-int BKE_id_num_real_users(const struct ID *id);
 void BKE_id_clear_newpoin(struct ID *id);
 
 void BKE_id_make_local_generic(struct Main *bmain,

source/blender/blenkernel/intern/library.c

@@ -294,11 +294,6 @@ void id_fake_user_clear(ID *id)
   }
 }
 
-int BKE_id_num_real_users(const ID *id)
-{
-  return (id->flag & LIB_FAKEUSER) ? id->us - 1 : id->us;
-}
-
 void BKE_id_clear_newpoin(ID *id)
 {
   if (id->newid) {

source/blender/collada/MeshImporter.cpp

@@ -1014,12 +1014,12 @@ void MeshImporter::optimize_material_assignements()
        ++it) {
     Object *ob = (*it);
     Mesh *me = (Mesh *)ob->data;
-    if (BKE_id_num_real_users(&me->id) == 1) {
+    if (ID_REAL_USERS(&me->id) == 1) {
       bc_copy_materials_to_data(ob, me);
       bc_remove_materials_from_object(ob, me);
       bc_remove_mark(ob);
     }
-    else if (BKE_id_num_real_users(&me->id) > 1) {
+    else if (ID_REAL_USERS(&me->id) > 1) {
       bool can_move = true;
       std::vector<Object *> mesh_users = get_all_users_of(me);
       if (mesh_users.size() > 1) {

source/blender/draw/engines/overlay/overlay_extra.c

@@ -29,7 +29,6 @@
 #include "BKE_constraint.h"
 #include "BKE_curve.h"
 #include "BKE_global.h"
-#include "BKE_library.h"
 #include "BKE_mball.h"
 #include "BKE_mesh.h"
 #include "BKE_movieclip.h"
@@ -1501,7 +1500,7 @@ static void OVERLAY_object_center(OVERLAY_ExtraCallBuffers *cb,
                                   OVERLAY_PrivateData *pd,
                                   ViewLayer *view_layer)
 {
-  const bool is_library = BKE_id_num_real_users(&ob->id) > 1 || ID_IS_LINKED(ob);
+  const bool is_library = ID_REAL_USERS(&ob->id) > 1 || ID_IS_LINKED(ob);
 
   if (ob == OBACT(view_layer)) {
     DRW_buffer_add_entry(cb->center_active, ob->obmat[3]);

source/blender/editors/object/object_add.c

@@ -2344,7 +2344,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 
       if (!keep_original) {
         /* other users */
-        if (BKE_id_num_real_users(&cu->id) > 1) {
+        if (ID_REAL_USERS(&cu->id) > 1) {
           for (ob1 = bmain->objects.first; ob1; ob1 = ob1->id.next) {
             if (ob1->data == ob->data) {
               ob1->type = OB_CURVE;

source/blender/editors/sculpt_paint/sculpt.c

@@ -7562,8 +7562,7 @@ static void sculpt_flush_update_done(const bContext *C, Object *ob, SculptUpdate
   RegionView3D *rv3d = CTX_wm_region_view3d(C);
   SculptSession *ss = ob->sculpt;
   Mesh *mesh = ob->data;
-  bool need_tag = (BKE_id_num_real_users(&mesh->id) >
-                   1); /* Always needed for linked duplicates. */
+  bool need_tag = (ID_REAL_USERS(&mesh->id) > 1); /* Always needed for linked duplicates. */
 
   if (rv3d) {
     rv3d->rflag &= ~RV3D_PAINTING;

source/blender/editors/sculpt_paint/sculpt_undo.c

@@ -46,7 +46,6 @@
 #include "BKE_multires.h"
 #include "BKE_paint.h"
 #include "BKE_key.h"
-#include "BKE_library.h"
 #include "BKE_mesh.h"
 #include "BKE_scene.h"
 #include "BKE_subsurf.h"
@@ -633,7 +632,7 @@ static void sculpt_undo_restore_list(bContext *C, Depsgraph *depsgraph, ListBase
       }
     }
 
-    tag_update |= BKE_id_num_real_users(ob->data) > 1 || !BKE_sculptsession_use_pbvh_draw(ob, v3d);
+    tag_update |= ID_REAL_USERS(ob->data) > 1 || !BKE_sculptsession_use_pbvh_draw(ob, v3d);
 
     if (ss->shapekey_active || ss->deform_modifiers_active) {
       Mesh *mesh = ob->data;