fix: remove unused placeholder setting

                        </StackPanel>

                        <ToggleSwitch IsChecked="{Binding PresentationModeChecked, Mode=TwoWay}" />

                    </Grid>

                    <Grid Classes="Setting">

                        <StackPanel>

                            <TextBlock Classes="Title" Text="Praise the Sun"/>

                            <TextBlock Classes="Description" Text="This setting is currently just a proof of concept."/>

                        </StackPanel>

                        <ToggleSwitch/>

                    </Grid>

                    <Grid Classes="Setting">

                        <StackPanel>

                            <TextBlock Classes="Title" Text="Game Data Directory"/>