Removing unnused InviteSalt config (#10446)

api4/config_test.go

@@ -33,9 +33,6 @@ func TestGetConfig(t *testing.T) {
 	if *cfg.FileSettings.AmazonS3SecretAccessKey != model.FAKE_SETTING && len(*cfg.FileSettings.AmazonS3SecretAccessKey) != 0 {
 		t.Fatal("did not sanitize properly")
 	}
-	if *cfg.EmailSettings.InviteSalt != model.FAKE_SETTING {
-		t.Fatal("did not sanitize properly")
-	}
 	if *cfg.EmailSettings.SMTPPassword != model.FAKE_SETTING && len(*cfg.EmailSettings.SMTPPassword) != 0 {
 		t.Fatal("did not sanitize properly")
 	}