[gtksourceview] styleschemepreview: fix whitespace and remove dead code

[Christian Hergert <chergert src gnome org>]

commit 77c3a03550e1fddae66a4ba72e79c949ce45eea1
Author: Christian Hergert <chergert redhat com>
Date:   Tue Oct 12 11:04:09 2021 -0700

    styleschemepreview: fix whitespace and remove dead code

 gtksourceview/gtksourcestyleschemepreview.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/gtksourceview/gtksourcestyleschemepreview.c b/gtksourceview/gtksourcestyleschemepreview.c
index a1369621..34761776 100644
--- a/gtksourceview/gtksourcestyleschemepreview.c
+++ b/gtksourceview/gtksourcestyleschemepreview.c
@@ -89,7 +89,6 @@ static void
 load_override_font (GtkSourceView *view)
 {
        static gsize initialized;
-       PangoFontDescription *font_desc;
        PangoFontMap *font_map;
 
        if (g_once_init_enter (&initialized))
@@ -110,20 +109,17 @@ load_override_font (GtkSourceView *view)
        }
 
        gtk_style_context_add_provider (gtk_widget_get_style_context (GTK_WIDGET (view)),
-                                       GTK_STYLE_PROVIDER (css_provider),
-                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION-1);
+                                       GTK_STYLE_PROVIDER (css_provider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION-1);
 
 #if ENABLE_FONT_CONFIG
        font_map = pango_cairo_font_map_new_for_font_type (CAIRO_FONT_TYPE_FT);
        pango_fc_font_map_set_config (PANGO_FC_FONT_MAP (font_map), map_font_config);
        gtk_widget_set_font_map (GTK_WIDGET (view), font_map);
-       font_desc = pango_font_description_from_string ("BuilderBlocks 4");
 
        g_assert (map_font_config != NULL);
        g_assert (font_map != NULL);
-       g_assert (font_desc != NULL);
 
-       pango_font_description_free (font_desc);
        g_object_unref (font_map);
 #endif
 }
@@ -183,7 +179,7 @@ gtk_source_style_scheme_preview_constructed (GObject *object)
        frame = g_object_new (GTK_TYPE_FRAME,
                              "can-focus", FALSE,
                              "focusable", FALSE,
-                             NULL);
+                             NULL);
        view = g_object_new (GTK_SOURCE_TYPE_VIEW,
                             "focusable", FALSE,
                             "can-focus", FALSE,