Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/mtdowling/cron-expression/src/Cron/MinutesField.php

@@ -1,30 +0,0 @@
-<?php
-
-namespace Cron;
-
-/**
- * Minutes field.  Allows: * , / -
- */
-class MinutesField extends AbstractField
-{
-    public function isSatisfiedBy(\DateTime $date, $value)
-    {
-        return $this->isSatisfied($date->format('i'), $value);
-    }
-
-    public function increment(\DateTime $date, $invert = false)
-    {
-        if ($invert) {
-            $date->modify('-1 minute');
-        } else {
-            $date->modify('+1 minute');
-        }
-
-        return $this;
-    }
-
-    public function validate($value)
-    {
-        return (bool) preg_match('/^[\*,\/\-0-9]+$/', $value);
-    }
-}