Revert "MainWindow: try fix again"

This reverts commit cfb938365d4a0754a9fbcac1f3fec31f1c59fad7.

src/vmainwindow.cpp

@@ -1335,14 +1335,6 @@ void VMainWindow::initDockWindows()
 
     initToolsDock();
     initSearchDock();
-
-    // Manual resize it to fix the empty-panel bug in Linux.
-    QList<QDockWidget *> docks;
-    docks.append(m_toolDock);
-    docks.append(m_searchDock);
-    QList<int> sizes;
-    sizes << 200 << 200;
-    resizeDocks(docks, sizes, Qt::Horizontal);
 }
 
 void VMainWindow::initToolsDock()