Let standard library handle charset parameter to MIME types

Fixes #10734

diff --git a/hugolib/site.go b/hugolib/site.go
index 312f6b97f1c0f01689ebaff09649083f3c7f478f..8ae09dd0f6e9d7aa3b990c767786666230069d6a 100644 (file)
--- a/hugolib/site.go
+++ b/hugolib/site.go
@@ -397,7 +397,7 @@ func (w *whatChanged) Changes() []identity.Identity {
 func (s *Site) RegisterMediaTypes() {
        for _, mt := range s.conf.MediaTypes.Config {
                for _, suffix := range mt.Suffixes() {
-                       _ = mime.AddExtensionType(mt.Delimiter+suffix, mt.Type+"; charset=utf-8")
+                       _ = mime.AddExtensionType(mt.Delimiter+suffix, mt.Type)
                }
        }
 }