Remove SetFocus hack after changing to wxSearchBox

eeschema/dialogs/dialog_choose_component.cpp

@@ -96,16 +96,6 @@ void DIALOG_CHOOSE_COMPONENT::OnSearchBoxChange( wxCommandEvent& aEvent )
 {
     m_search_container->UpdateSearchTerm( m_searchBox->GetLineText( 0 ) );
     updateSelection();
-
-    // On Windows, but not on Linux, the focus is given to
-    // the m_libraryComponentTree, after modificatuons.
-    // We want the focus for m_searchBox.
-    //
-    // We cannot call SetFocus on Linux because it changes the current text selection
-    // and the text edit cursor position.
-#ifdef __WINDOWS__
-    m_searchBox->SetFocus();
-#endif
 }