[gtksourceview] stylescheme: remove current-line-number CSS

[Christian Hergert <chergert src gnome org>]

commit fccee8c52d4a7c23114f3035a53fc3c0568d4072
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jul 29 10:10:18 2021 -0700

    stylescheme: remove current-line-number CSS
    
    This isn't needed anymore now that the color is drawn without using CSS
    (to avoid style changes during rendering).

 gtksourceview/gtksourcestylescheme.c | 7 -------
 1 file changed, 7 deletions(-)
---
diff --git a/gtksourceview/gtksourcestylescheme.c b/gtksourceview/gtksourcestylescheme.c
index 31545765..834521af 100644
--- a/gtksourceview/gtksourcestylescheme.c
+++ b/gtksourceview/gtksourcestylescheme.c
@@ -931,13 +931,6 @@ generate_css_style (GtkSourceStyleScheme *scheme)
                append_css_style (final_style, style, "textview border gutter");
        }
 
-       style = gtk_source_style_scheme_get_style (scheme, STYLE_CURRENT_LINE_NUMBER);
-       if (style != NULL)
-       {
-               append_css_style (final_style, style, "textview gutter.current-line-number");
-               append_css_style (final_style, style, "textview gutterrenderer.current-line-number");
-       }
-
        apply_css_style_cursors (scheme, final_style);
 
        if (*final_style->str != '\0')