[plasmalnf] Simplify code

- Look-and-Feel job has no status to speak of
- Coding style

src/modules/plasmalnf/PlasmaLnfJob.cpp

@@ -20,30 +20,19 @@ PlasmaLnfJob::PlasmaLnfJob( const QString& lnfPath, const QString& id )
 {
 }
 
-
 PlasmaLnfJob::~PlasmaLnfJob() {}
 
-
 QString
 PlasmaLnfJob::prettyName() const
 {
     return tr( "Plasma Look-and-Feel Job" );
 }
 
-QString
-PlasmaLnfJob::prettyStatusMessage() const
-{
-    return prettyName();
-}
-
-
 Calamares::JobResult
 PlasmaLnfJob::exec()
 {
-    cDebug() << "Plasma Look-and-Feel Job";
-
-    auto system = CalamaresUtils::System::instance();
-    Calamares::GlobalStorage* gs = Calamares::JobQueue::instance()->globalStorage();
+    auto* system = CalamaresUtils::System::instance();
+    auto* gs = Calamares::JobQueue::instance()->globalStorage();
 
     QStringList command( { "sudo",
                            "-E",
@@ -59,8 +48,10 @@ PlasmaLnfJob::exec()
 
     int r = system->targetEnvCall( command );
     if ( r )
+    {
         return Calamares::JobResult::error( tr( "Could not select KDE Plasma Look-and-Feel package" ),
                                             tr( "Could not select KDE Plasma Look-and-Feel package" ) );
+    }
 
     return Calamares::JobResult::ok();
 }

src/modules/plasmalnf/PlasmaLnfJob.h

@@ -24,7 +24,6 @@ public:
     ~PlasmaLnfJob() override;
 
     QString prettyName() const override;
-    QString prettyStatusMessage() const override;
 
     Calamares::JobResult exec() override;