remove code read permission for contributors page

Author: yp05327

routers/web/web.go

@@ -1446,7 +1446,7 @@ func registerRoutes(m *web.Router) {
 		m.Group("/contributors", func() {
 			m.Get("", repo.Contributors)
 			m.Get("/data", repo.ContributorsData)
-		}, reqRepoCodeReader)
+		})
 		m.Group("/code-frequency", func() {
 			m.Get("", repo.CodeFrequency)
 			m.Get("/data", repo.CodeFrequencyData)