Check for unused function arguments (#6583)

* eslint: Check for unused function arguments

* eslint: Ignore unused '_' in argument list

Also allow any number of '_' e.g., '__' or '___' which is to be used sparingly

* Remove and rename unused arguments

1 files changed, 1 insertions, 1 deletions

diff --git a/app/scripts/lib/message-manager.js b/app/scripts/lib/message-manager.js
index e86629590..ac41de523 100644
--- a/app/scripts/lib/message-manager.js
+++ b/app/scripts/lib/message-manager.js
@@ -34,7 +34,7 @@ module.exports = class MessageManager extends EventEmitter {
    * @property {array} messages Holds all messages that have been created by this MessageManager
    *
    */
-  constructor (opts) {
+  constructor () {
     super()
     this.memStore = new ObservableStore({
       unapprovedMsgs: {},