remove unused variables

Tests and examples with unused variables are unchanged.

lib/application.js

@@ -9,12 +9,10 @@ var connect = require('connect')
   , debug = require('debug')('express:application')
   , locals = require('./utils').locals
   , View = require('./view')
-  , url = require('url')
   , utils = connect.utils
   , path = require('path')
   , http = require('http')
-  , join = path.join
-  , fs = require('fs');
+  , join = path.join;
 
 /**
  * Application prototype.
@@ -33,7 +31,6 @@ var app = exports = module.exports = {};
  */
 
 app.init = function(){
-  var self = this;
   this.cache = {};
   this.settings = {};
   this.engines = {};
@@ -106,7 +103,7 @@ app.defaultConfiguration = function(){
  */
 
 app.use = function(route, fn){
-  var app, home, handle;
+  var app, handle;
 
   // default route to '/'
   if ('string' != typeof route) fn = route, route = '/';
@@ -454,8 +451,7 @@ app.del = app.delete;
  */
 
 app.render = function(name, options, fn){
-  var self = this
-    , opts = {}
+  var opts = {}
     , cache = this.cache
     , engines = this.engines
     , view;

lib/response.js

@@ -2,8 +2,7 @@
  * Module dependencies.
  */
 
-var fs = require('fs')
-  , http = require('http')
+var http = require('http')
   , path = require('path')
   , connect = require('connect')
   , utils = connect.utils
@@ -14,7 +13,6 @@ var fs = require('fs')
   , send = connect.static.send
   , cookie = require('cookie')
   , send = require('send')
-  , crc = require('crc')
   , mime = connect.mime
   , basename = path.basename
   , extname = path.extname
@@ -715,4 +713,4 @@ res.render = function(view, options, fn){
 
   // render
   app.render(view, options, fn);
-};
+};

lib/router/index.js

@@ -5,8 +5,7 @@
 var Route = require('./route')
   , utils = require('../utils')
   , debug = require('debug')('express:router')
-  , parse = require('connect').utils.parseUrl
-  , methods = require('methods');
+  , parse = require('connect').utils.parseUrl;
 
 /**
  * Expose `Router` constructor.
@@ -93,8 +92,7 @@ Router.prototype._dispatch = function(req, res, next){
       , paramVal
       , route
       , keys
-      , key
-      , ret;
+      , key;
 
     // match next route
     function nextRoute(err) {

support/app.js

@@ -16,8 +16,6 @@ app.set('views', __dirname + '/views');
 app.set('view engine', 'jade');
 app.locals.self = true;
 
-var repo = require('../package.json');
-
 app.get('/render', function(req, res){
   res.render('hello');
 });
@@ -65,4 +63,4 @@ app.get('/match', function(req, res){
   res.send('Hello World\n');
 });
 
-app.listen(8000);
+app.listen(8000);