Fix minor issues

Author: michael-misshore

lib/critical_path_css/css_fetcher.rb

@@ -16,7 +16,7 @@ def fetch
     def fetch_route(route)
       options = {
         'url' => @config.base_url + route,
-        'css' => fetch_css_path_for_route(route), #implement
+        'css' => fetch_css_path_for_route(route),
         'width' => 1300,
         'height' => 900,
         'timeout' => 30_000,

lib/critical_path_css/rails/config_loader.rb

@@ -3,8 +3,6 @@ module Rails
     class ConfigLoader
       CONFIGURATION_FILENAME = 'critical_path_css.yml'.freeze
 
-      attr_reader :config
-
       def load
         validate_css_paths
         format_css_paths