Remove unneeded `.text-white-50` CSS rule (#34336)

This is already part of Bootstrap 4.6 and 5.0.

diff --git a/site/content/docs/5.0/examples/offcanvas-navbar/offcanvas.css b/site/content/docs/5.0/examples/offcanvas-navbar/offcanvas.css
index 29e26b11bd8b42323c357ab4b443bd2397a2c69d..97fe8399cf4d24a42980ac203654a440105abc62 100644 (file)
--- a/site/content/docs/5.0/examples/offcanvas-navbar/offcanvas.css
+++ b/site/content/docs/5.0/examples/offcanvas-navbar/offcanvas.css
@@ -62,6 +62,6 @@ body {
   color: #343a40;
 }
 
-.text-white-50 { color: rgba(255, 255, 255, .5); }
-
-.bg-purple { background-color: #6f42c1; }
+.bg-purple {
+  background-color: #6f42c1;
+}