Too much logging.

This polutes the development logs and generates massive log files in
test mode on Rails. The gem already provides enough API to debug and
solve invalid templates, so all of this is very much extra.

lib/mjml/parser.rb

@@ -9,8 +9,6 @@ class ExecutableNotFound < StandardError; end
     ROOT_TAGS_REGEX = %r{<mjml.*>.*<\/mjml>}im
 
     def initialize
-      MJML.logger.debug("Path: #{mjml_bin};" \
-                        "Version: #{MJML.executable_version}")
       raise ExecutableNotFound if MJML.executable_version.nil?
     end
 
@@ -28,16 +26,13 @@ def call!(template)
     private
 
     def exec!
-      MJML.logger.debug("Template:\n #{@template}")
       raise InvalidTemplate if @template.empty?
 
-      MJML.logger.debug("Partial: #{partial?}")
       return @template if partial?
 
       out, err = should_get_outpout_from_file? ? output_from_file : output_from_memory
       parsed = parse_output(out)
 
-      MJML.logger.debug("Output:\n #{parsed[:output]}")
       MJML.logger.error(err) unless err.empty?
       MJML.logger.warn(parsed[:warnings]) unless parsed[:warnings].empty?