tint2conf: Revert obsolete gradient config

src/tint2conf/gui.h

@@ -0,0 +1,20 @@
+#include <limits.h>
+#include <stdlib.h>
+
+#include "main.h"
+#include "properties.h"
+#include "properties_rw.h"
+#include "../launcher/apps-common.h"
+#include "../launcher/icon-theme-common.h"
+#include "../util/common.h"
+#include "strnatcmp.h"
+
+#define ROW_SPACING 10
+#define COL_SPACING 8
+#define DEFAULT_HOR_SPACING 5
+
+gint compare_strings(gconstpointer a, gconstpointer b);
+void change_paragraph(GtkWidget *widget);
+int get_model_length(GtkTreeModel *model);
+void gdkColor2CairoColor(GdkColor color, double *red, double *green, double *blue);
+void cairoColor2GdkColor(double red, double green, double blue, GdkColor *color);