delete unused variable

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@57953 954022d7-b5bf-4e40-9824-e11837661b57

Excel/view/WorkbookView.js

@@ -1092,7 +1092,6 @@
 			ws.setCellEditMode(false);
 			ws.setFormulaEditMode(false);
 			ws.updateSelection();
-			this.Api.lastFocused = null;
 			if (isCellEditMode)
 				this.handlers.trigger("asc_onEditCell", c_oAscCellEditorState.editEnd);
 			// Обновляем состояние Undo/Redo