message: Remove unused this in lambdas of ShaderViewer
diff: @@ -955,8 +955,8 @@ void ShaderViewer::debug_contextMenu(const QPoint &pos)
  copyText.setEnabled(!edit->selectionEmpty());
  QObject::connect(&copyText, &QAction::triggered,
  - [this, edit] { edit->copyRange(edit->selectionStart(), edit->selectionEnd()); });
  - QObject::connect(&selectAll, &QAction::triggered, [this, edit] { edit->selectAll(); });
  + [edit] { edit->copyRange(edit->selectionStart(), edit->selectionEnd()); });
  + QObject::connect(&selectAll, &QAction::triggered, [edit] { edit->selectAll(); });
  contextMenu.addAction(&copyText);
  contextMenu.addAction(&selectAll);
  @@ -1031,7 +1031,7 @@ void ShaderViewer::variables_contextMenu(const QPoint &pos)
  {
  RDTreeWidget *tree = qobject_cast<RDTreeWidget *>(w);
  - QObject::connect(&copyValue, &QAction::triggered, [this, tree] { tree->copySelection(); });
  + QObject::connect(&copyValue, &QAction::triggered, [tree] { tree->copySelection(); });
  addWatch.setEnabled(tree->selectedItem() != NULL);
  