⛔ Removes unnecessary functions

Author: filipsedivy

src/FilipSedivy/EET/Utils/FileSystem.php

@@ -16,11 +16,6 @@ public static function isFile(string $file): bool
         return is_file($file);
     }
 
-    public static function isReadable(string $file): bool
-    {
-        return self::isFile($file) && is_readable($file);
-    }
-
     public static function read(string $file): string
     {
         $content = @file_get_contents($file);
@@ -31,4 +26,4 @@ public static function read(string $file): string
 
         return $content;
     }
-}
+}