Revert "gddo-server/assets: bold redirect text"

This reverts commit b853219a43322d594dd40c07d3a5ba6e4e35b2fc.

Reason for revert: split deploy of teeproxy and banner changes

Revert CL 275872.

Change-Id: I8176626e2232066f8a481ee6735e8e633b3af642
Reviewed-on: https://go-review.googlesource.com/c/gddo/+/277113
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/gddo-server/assets/site.css b/gddo-server/assets/site.css
index 714e016..b3d9afd 100644
--- a/gddo-server/assets/site.css
+++ b/gddo-server/assets/site.css
@@ -134,7 +134,6 @@
 }
 
 .banner-action-container {
-    font-weight: 600;
     text-align: right;
     white-space: nowrap;
 }