Move constant NO_CLI to Http

As the constant file it's only used by the worker.

Lib/Constants.php

@@ -31,8 +31,6 @@ define('WORKERMAN_SEND_FAIL', 2);
 define('OS_TYPE_LINUX', 'linux');
 define('OS_TYPE_WINDOWS', 'windows');
 
-define('NO_CLI', PHP_SAPI !== 'cli'); 
-
 // Compatible with php7
 if(!class_exists('Error'))
 {

Protocols/Http.php

@@ -722,3 +722,5 @@ class HttpCache
 }
 
 HttpCache::init();
+
+define('NO_CLI', PHP_SAPI !== 'cli');

Worker.php

@@ -542,7 +542,7 @@ class Worker
     protected static function checkSapiEnv()
     {
         // Only for cli.
-        if (NO_CLI) {
+        if (PHP_SAPI !== 'cli') {
             exit("Only run in command line mode \n");
         }
         if (DIRECTORY_SEPARATOR === '\\') {