Chore: remove unused code

app/main.cpp

@@ -12,12 +12,6 @@
 
 #include "leddisplaybackend.h"
 
-/*void permissionCallback(const QtAndroid::PermissionResultMap& results) {
-    for(QtAndroid::PermissionResult result : results) {
-        qWarning() << "Permission Callback Result:" << (result == QtAndroid::PermissionResult::Granted);
-    }
-}*/
-
 int main(int argc, char *argv[])
 {
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);