remove tag labels from dwl

Tag labels are not used in dwl. Only the number of tags is important.
Tag labels should be defined for each tag in whatever status bar is
used.

config.def.h

@@ -7,8 +7,8 @@ static const float focuscolor[]            = {1.0, 0.0, 0.0, 1.0};
 /* To conform the xdg-protocol, set the alpha to zero to restore the old behavior */
 static const float fullscreen_bg[]         = {0.1, 0.1, 0.1, 1.0};
 
-/* tagging */
-static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+/* tagging - tagcount must be no greater than 31 */
+static const int tagcount = 9;
 
 static const Rule rules[] = {
 	/* app_id     title       tags mask     isfloating   monitor */