Remove unloadable from the monkey patches for Liquid.

It turns out in this case or core patches, unloadable actually breaks in
development mode. Did I already mention that I hate the Rails reloader?

lib/chili_project/liquid/liquid_ext/block.rb

@@ -19,8 +19,6 @@ module ChiliProject
         def self.included(base)
           base.send(:include, InstanceMethods)
           base.class_eval do
-            unloadable
-
             alias_method_chain :render_all, :cleaned_whitespace_and_cache
           end
         end

lib/chili_project/liquid/liquid_ext/context.rb

@@ -19,8 +19,6 @@ module ChiliProject
         def self.included(base)
           base.send(:include, InstanceMethods)
           base.class_eval do
-            unloadable
-
             alias_method_chain :handle_error, :formatting
           end
         end

lib/chili_project/liquid/liquid_ext/strainer.rb

@@ -20,8 +20,6 @@ module ChiliProject
         def self.included(base)
           base.extend(ClassMethods)
           base.class_eval do
-            unloadable
-
             @@filters = []
           end
         end