Remove travis ip from ip-checker (#1110)

* remove travis ip from IP-checker

* Update lib/ip-checker.js

Co-authored-by: Denis Ah-Kang <[email protected]>

* remove outdated doc, resolves #1110 (comment)

* remove unused dependency

---------

Co-authored-by: Denis Ah-Kang <[email protected]>

Author: jennyliang220

.cspell.json

@@ -55,7 +55,6 @@
         "Specberus",
         "Symfony",
         "TR",
-        "travisci",
         "tripu",
         "TRpath",
         "trstaging",

DEVELOPMENT.md

@@ -38,7 +38,7 @@ LDAP (Lightweight Directory Access Protocol) is used to identify a user(username
 Service to download and install resources in the staging server. TAR file or link(pointing to Overview.html or manifest) are supported.
 
 ## ip-checker.js
-Check if ip making `curl` request is from GitHub Actions or Travis.
+Check if ip making `curl` request is from GitHub Actions.
 
 ## metadata
 Specberus.extractMetadata is called by Orchestrator, the task organizer to get metadata of the document.