remove unused function. also typo

source/blender/windowmanager/intern/wm_event_system.c

@@ -218,7 +218,7 @@ void WM_main_remove_notifier_reference(const void *reference)
 			note_next = note->next;
 
 			if (note->reference == reference) {
-				/* don't remove becauise this causes problems for #wm_event_do_notifiers
+				/* don't remove because this causes problems for #wm_event_do_notifiers
 				 * which may be looping on the data (deleting screens) */
 				wm_notifier_clear(note);
 			}

source/gameengine/Rasterizer/RAS_MeshObject.cpp

@@ -548,15 +548,3 @@ void RAS_MeshObject::SchedulePolygons(int drawingmode)
 		m_bMeshModified = true;
 	} 
 }
-
-static int get_def_index(Object* ob, const char* vgroup)
-{
-	bDeformGroup *curdef;
-	int index = 0;
-
-	for (curdef = (bDeformGroup*)ob->defbase.first; curdef; curdef=(bDeformGroup*)curdef->next, index++)
-		if (!strcmp(curdef->name, vgroup))
-			return index;
-
-	return -1;
-}