[Julia] Fix bug with missing plots in the saved worksheet

src/backends/julia/juliaexpression.cpp

@@ -78,12 +78,9 @@ void JuliaExpression::finalize(const QString& output, const QString& error, bool
             setResult(new Cantor::TextResult(output));
         setStatus(Cantor::Expression::Error);
     } else {
-        if (!m_plot_filename.isEmpty()
-                && QFileInfo(m_plot_filename).exists()) {
+        if (!m_plot_filename.isEmpty() && QFileInfo(m_plot_filename).exists()) {
             // If we have plot in result, show it
-            setResult(
-                new Cantor::ImageResult(QUrl::fromLocalFile(m_plot_filename)));
-            QDir().remove(m_plot_filename);
+            setResult(new Cantor::ImageResult(QUrl::fromLocalFile(m_plot_filename)));
         } else {
             if (!output.isEmpty())
                 setResult(new Cantor::TextResult(output));