Clean up no-unused-vars lint errors

atom/renderer/api/lib/ipc-renderer.js

@@ -1,4 +1,3 @@
-const EventEmitter = require('events').EventEmitter;
 const binding = process.atomBinding('ipc');
 const v8Util = process.atomBinding('v8_util');
 

atom/renderer/api/lib/ipc.js

@@ -11,8 +11,8 @@ deprecate.warn('ipc module', 'require("electron").ipcRenderer');
 var ipc = new EventEmitter;
 
 ipcRenderer.emit = function() {
-  var args, channel, event;
-  channel = arguments[0], event = arguments[1], args = 3 <= arguments.length ? slice.call(arguments, 2) : [];
+  var channel = arguments[0]
+  var args = 3 <= arguments.length ? slice.call(arguments, 2) : [];
   ipc.emit.apply(ipc, [channel].concat(slice.call(args)));
   return EventEmitter.prototype.emit.apply(ipcRenderer, arguments);
 };

atom/renderer/api/lib/remote.js

@@ -87,7 +87,7 @@ var wrapArgs = function(args, visited) {
 
 // Convert meta data from browser into real value.
 var metaToValue = function(meta) {
-  var RemoteFunction, el, i, j, len, len1, member, ref1, ref2, results, ret;
+  var el, i, j, len, len1, member, ref1, ref2, results, ret;
   switch (meta.type) {
     case 'value':
       return meta.value;
@@ -114,7 +114,7 @@ var metaToValue = function(meta) {
     default:
       if (meta.type === 'function') {
         // A shadow class to represent the remote function object.
-        ret = RemoteFunction = (function() {
+        ret = (function() {
           function RemoteFunction() {
             var obj;
             if (this.constructor === RemoteFunction) {
@@ -189,8 +189,7 @@ var metaToPlainObject = function(meta) {
 // This function's content should not be inlined into metaToValue, otherwise V8
 // may consider it circular reference.
 var createRemoteMemberFunction = function(metaId, name) {
-  var RemoteMemberFunction;
-  return RemoteMemberFunction = (function() {
+  return (function() {
     function RemoteMemberFunction() {
       var ret;
       if (this.constructor === RemoteMemberFunction) {