Remove CacheStores

Author: csuhta

lib/sassc.rb

@@ -8,7 +8,6 @@ module SassC
 require_relative "sassc/importer"
 require_relative "sassc/util"
 require_relative "sassc/util/normalized_map"
-require_relative "sassc/util/subset_map"
 require_relative "sassc/script"
 require_relative "sassc/script/value"
 require_relative "sassc/script/value/bool"
@@ -20,7 +19,6 @@ module SassC
 require_relative "sassc/script/functions"
 require_relative "sassc/script/value_conversion"
 require_relative "sassc/functions_handler"
-require_relative "sassc/cache_stores"
 require_relative "sassc/dependency"
 require_relative "sassc/error"
 require_relative "sassc/engine"

lib/sassc/cache_stores.rb

@@ -6,11 +6,11 @@ class SassC::Script::Value::Bool < SassC::Script::Value
 
   # The true value in SassScript.
   # This is assigned before new is overridden below so that we use the default implementation.
-  TRUE = new(true).freeze
+  TRUE = new(true)
 
   # The false value in SassScript.
   # This is assigned before new is overridden below so that we use the default implementation.
-  FALSE = new(false).freeze
+  FALSE = new(false)
 
   # We override object creation so that users of the core API
   # will not need to know that booleans are specific constants.