Handle Invalid Markdown (#218)

markdown: use builtin dark/light theme detection

handle invalid markdown

Co-authored-by: Norwin Roosen <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/218
Reviewed-by: 6543 <6543@noreply.gitea.io>
Reviewed-by: techknowlogick <techknowlogick@gitea.io>

modules/print/print.go

@@ -6,17 +6,8 @@ package print
 
 import (
 	"fmt"
-
-	"github.com/muesli/termenv"
 )
 
-func getGlamourTheme() string {
-	if termenv.HasDarkBackground() {
-		return "dark"
-	}
-	return "light"
-}
-
 // formatSize get kb in int and return string
 func formatSize(kb int64) string {
 	if kb < 1024 {