Trim /dev/ from visible partition paths.

src/modules/partition/gui/PartitionLabelsView.cpp

@@ -189,7 +189,11 @@ PartitionLabelsView::buildTexts( const QModelIndex& index ) const
             firstLine = tr( "New partition for %1" ).arg( mountPoint );
     }
     else if ( index.data( PartitionModel::OsproberNameRole ).toString().isEmpty() )
+    {
         firstLine = index.data().toString();
+        if ( firstLine.startsWith( "/dev/sd" ) )
+            firstLine.remove( 0, 5 );   // "/dev/"
+    }
     else
         firstLine = index.data( PartitionModel::OsproberNameRole ).toString();