Revert changes in GraphView.save()

src/graph/GraphView.cpp

@@ -83,7 +83,6 @@ void Aidge::GraphView::save(const std::string& path, bool verbose, bool showProd
     }
 
     fmt::print(fp.get(),
-                "```mermaid\n"
                 "%%{{init: {{'flowchart': {{ 'curve': 'monotoneY'}}, "
                 "'fontFamily': 'Verdana' }} }}%%\nflowchart TB\n\n");
 
@@ -205,7 +204,6 @@ void Aidge::GraphView::save(const std::string& path, bool verbose, bool showProd
     fmt::print(fp.get(), "classDef producerCls_rootCls stroke:#f00,fill:#ccf\n");
     fmt::print(fp.get(), "classDef genericCls_rootCls stroke:#f00,fill:#f9f9ff,stroke-width:1px,stroke-dasharray: 5 5\n");
     fmt::print(fp.get(), "classDef metaCls_rootCls stroke:#f00,stroke-width:5px\n");
-    fmt::print(fp.get(), "```\n");
     fmt::print(fp.get(), "\n");
 }