remove splunk logging

app/controllers/comments_controller.rb

app/controllers/posts_controller.rb

app/helpers/sockets_helper.rb

app/models/signed_retraction.rb

chef/cookbooks/diaspora/recipes/backup.rb

chef/cookbooks/diaspora/recipes/default.rb

chef/cookbooks/diaspora/recipes/splunk.rb

config/application.yml.example

config/initializers/_splunk_logger.rb

db/schema.rb

lib/log_overrider.rb

lib/salmon/encrypted_slap.rb

lib/splunk_logging.rb

lib/webfinger_profile.rb

spec/controllers/aspects_controller_spec.rb

spec/controllers/home_controller_spec.rb

spec/lib/diaspora/ostatus_builder_spec.rb

spec/lib/resque_job_logging_spec.rb

spec/lib/splunk_logging_spec.rb

spec/shared_behaviors/log_override.rb