Fix encoding problems with the SC asset. Update the encodings test to no longer require an ENV variable to run. Fixes bug #11795

lib/WebGUI/Asset/Wobject/SyndicatedContent.pm

@@ -162,10 +162,6 @@ sub generateFeed {
                 }
             }, $self->cacheTimeout );
 
-        # if the content can be downgraded, it is either valid latin1 or didn't have
-        # an HTTP Content-Encoding header.  In the second case, XML::FeedPP will take
-        # care of any encoding specified in the XML prolog
-        utf8::downgrade($value, 1);
         eval {
             my $singleFeed = XML::FeedPP->new($value, utf8_flag => 1, -type => 'string', xml_deref => 1, %opt);
             $feed->merge_channel($singleFeed);