Removing xurls Dependency

Turns out are some point we dropped the need for it.

utils/url_parsing.go

@@ -1,26 +1,9 @@
 package utils
 
 import (
- "github.com/mvdan/xurls"
- "regexp"
  "strings"
 )
 
-func ExtractDomains(content string) []string {
- domains := xurls.Strict.FindAllString(content, -1)
- cssurlregex := regexp.MustCompile(`(?i)url\((.*?)\)`)
- cssDomains := cssurlregex.FindAllString(content, -1)
- for _, cssDomain := range cssDomains {
- if strings.HasPrefix(strings.ToLower(cssDomain), "url(") {
- cssDomain = cssDomain[4 : len(cssDomain)-1]
- }
- if !strings.HasSuffix(cssDomain, ":before") && !strings.HasSuffix(cssDomain, ":after") {
- domains = append(domains, cssDomain)
- }
- }
- return domains
-}
-
 func WithoutSubdomains(urlhost string) string {
  urlParts := strings.Split(urlhost, ".")
  if len(urlParts) < 2 {