docs: move comment to the method docblock

Author: kenjis

system/CodeIgniter.php

@@ -809,22 +809,20 @@ protected function createController()
     /**
      * Runs the controller, allowing for _remap methods to function.
      *
+     * CI4 supports three types of requests:
+     *  1. Web: URI segments become parameters, sent to Controllers via Routes,
+     *      output controlled by Headers to browser
+     *  2. Spark: accessed by CLI via the spark command, arguments are Command arguments,
+     *      sent to Commands by CommandRunner, output controlled by CLI class
+     *  3. PHP CLI: accessed by CLI via php public/index.php, arguments become URI segments,
+     *      sent to Controllers via Routes, output varies
+     *
      * @param mixed $class
      *
      * @return mixed
      */
     protected function runController($class)
     {
-        /*
-         CI4 supports three types of requests:
-           1. Web: URI segments become parameters, sent to Controllers via Routes,
-              output controlled by Headers to browser
-           2. Spark: accessed by CLI via the spark command, arguments are Command arguments,
-              sent to Commands by CommandRunner, output controlled by CLI class
-           3. PHP CLI: accessed by CLI via php public/index.php, arguments become URI segments,
-              sent to Controllers via Routes, output varies
-        */
-
         if (defined('SPARKED') && $this->request instanceof CLIRequest) {
             // This is a Spark request
             $params = $this->request->getArgs();