yuzu - Fix duplicate logs

src/yuzu/debugger/console.cpp

@@ -14,6 +14,13 @@
 
 namespace Debugger {
 void ToggleConsole() {
+    static bool console_shown = false;
+    if (console_shown == UISettings::values.show_console) {
+        return;
+    } else {
+        console_shown = UISettings::values.show_console;
+    }
+
 #if defined(_WIN32) && !defined(_DEBUG)
     FILE* temp;
     if (UISettings::values.show_console) {

src/yuzu/main.cpp

@@ -908,8 +908,6 @@ void GMainWindow::UpdateUITheme() {
 #endif
 
 int main(int argc, char* argv[]) {
-    Log::AddBackend(std::make_unique<Log::ColorConsoleBackend>());
-
     MicroProfileOnThreadCreate("Frontend");
     SCOPE_EXIT({ MicroProfileShutdown(); });