Remove unused messages

Author: rakillen

electron/app/locales/en/electron.json

@@ -125,8 +125,6 @@
   "dialog-invalid-oracle-home-title": "Invalid Oracle Home Directory",
   "dialog-invalid-oracle-home-not-specified": "Oracle Home is not specified.",
   "dialog-invalid-oracle-home-not-valid": "Specified Oracle Home {{oracleHome}} is not valid.",
-  "dialog-https-proxy-url-label": "HTTPS Proxy URL",
-  "dialog-bypass-proxy-hosts-label": "Bypass Proxy Hosts",
 
   "dialog-title-closeProject": "Close Project",