refactor: colorization with jfcherng/php-color-output

Which should be much lighter than symfony/console.

Signed-off-by: Jack Cherng <jfcherng@gmail.com>

Author: jfcherng

.phan/config.php

@@ -16,9 +16,9 @@
     // your application should be included in this list.
     'directory_list' => [
         'src',
+        'vendor/jfcherng/php-color-output/src',
         'vendor/jfcherng/php-mb-string/src',
         'vendor/jfcherng/php-sequence-matcher/src',
-        'vendor/symfony/console',
     ],
 
     // A directory list that defines files that will be excluded

composer.json

@@ -33,9 +33,9 @@
     },
     "require": {
         "php": "^7.1.3",
+        "jfcherng/php-color-output": "^2.0",
         "jfcherng/php-mb-string": "^1.3",
-        "jfcherng/php-sequence-matcher": "^3.2.2",
-        "symfony/console": ">=3 <6"
+        "jfcherng/php-sequence-matcher": "^3.2.2"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",