Removed entrust source

Due to this https://github.com/projectdiscovery/subfinder/pull/274#issuecomment-661283604.

Looks like it is not working due to maintenance but it does not work from months ago

DISCLAIMER.md

@@ -6,7 +6,6 @@ Subfinder leverages multiple open APIs, it is developed for individuals to help
 - CommonCrawl: https://commoncrawl.org/terms-of-use/full
 - certspotter: https://sslmate.com/terms
 - dnsdumpster: https://hackertarget.com/terms
-- entrust: https://www.entrustdatacard.com/pages/terms-of-use
 - Google Transparency: https://policies.google.com/terms
 - Threatcrowd: https://www.alienvault.com/terms/website-terms-of-use07may2018
 

pkg/passive/sources.go

@@ -15,7 +15,6 @@ import (
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/crtsh"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/dnsdb"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/dnsdumpster"
-	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/entrust"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/github"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/hackertarget"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/intelx"
@@ -91,7 +90,6 @@ var DefaultAllSources = []string{
 	"crtsh",
 	"dnsdumpster",
 	"dnsdb",
-	"entrust",
 	"github",
 	"hackertarget",
 	"ipv4info",
@@ -159,8 +157,6 @@ func (a *Agent) addSources(sources []string) {
 			a.sources[source] = &dnsdumpster.Source{}
 		case "dnsdb":
 			a.sources[source] = &dnsdb.Source{}
-		case "entrust":
-			a.sources[source] = &entrust.Source{}
 		case "github":
 			a.sources[source] = &github.Source{}
 		case "hackertarget":

pkg/subscraping/sources/entrust/entrust.go

@@ -1,51 +0,0 @@
-package entrust
-
-import (
-	"context"
-	"fmt"
-	"io/ioutil"
-	"strings"
-
-	"github.com/projectdiscovery/subfinder/pkg/subscraping"
-)
-
-// Source is the passive scraping agent
-type Source struct{}
-
-// Run function returns all subdomains found with the service
-func (s *Source) Run(ctx context.Context, domain string, session *subscraping.Session) <-chan subscraping.Result {
-	results := make(chan subscraping.Result)
-
-	go func() {
-		defer close(results)
-
-		resp, err := session.SimpleGet(ctx, fmt.Sprintf("https://ctsearch.entrust.com/api/v1/certificates?fields=issuerCN,subjectO,issuerDN,issuerO,subjectDN,signAlg,san,publicKeyType,publicKeySize,validFrom,validTo,sn,ev,logEntries.logName,subjectCNReversed,cert&domain=%s&includeExpired=true&exactMatch=false&limit=5000", domain))
-		if err != nil {
-			results <- subscraping.Result{Source: s.Name(), Type: subscraping.Error, Error: err}
-			session.DiscardHTTPResponse(resp)
-			return
-		}
-
-		body, err := ioutil.ReadAll(resp.Body)
-		if err != nil {
-			results <- subscraping.Result{Source: s.Name(), Type: subscraping.Error, Error: err}
-			resp.Body.Close()
-			return
-		}
-		resp.Body.Close()
-
-		src := string(body)
-		for _, subdomain := range session.Extractor.FindAllString(src, -1) {
-			subdomain = strings.TrimPrefix(subdomain, "u003d")
-
-			results <- subscraping.Result{Source: s.Name(), Type: subscraping.Subdomain, Value: subdomain}
-		}
-	}()
-
-	return results
-}
-
-// Name returns the name of the source
-func (s *Source) Name() string {
-	return "entrust"
-}