Simplify use strict statements.

Author: XhmikosR

src/cli/node.js

@@ -5,6 +5,7 @@
 /* jshint node:true */
 /* global cli */
 /* exported CSSLint */
+"use strict";
 
 var fs      = require("fs"),
     path    = require("path"),
@@ -14,17 +15,14 @@ cli({
     args: process.argv.slice(2),
 
     print: function(message){
-        "use strict";
         fs.writeSync(1, message + "\n");
     },
 
     quit: function(code){
-        "use strict";
         process.exit(code || 0);
     },
 
     isDirectory: function(name){
-        "use strict";
         try {
             return fs.statSync(name).isDirectory();
         } catch (ex) {
@@ -33,7 +31,6 @@ cli({
     },
 
     getFiles: function(dir){
-        "use strict";
         var files = [];
 
         try {
@@ -65,22 +62,18 @@ cli({
     },
 
     getWorkingDirectory: function() {
-        "use strict";
         return process.cwd();
     },
 
     getFullPath: function(filename){
-        "use strict";
         return path.resolve(process.cwd(), filename);
     },
 
     readFile: function(filename){
-        "use strict";
         try {
             return fs.readFileSync(filename, "utf-8");
         } catch (ex) {
             return "";
         }
     }
 });
-