Revert "Fail rebuild for config files containing compromised github organisation (#278)" (#279)

This reverts commit f568625. Control of the org has been regained

Author: davidtaylorhq

lib/docker_manager/upgrader.rb

@@ -27,13 +27,6 @@ def upgrade
 
     clear_logs
 
-    if @repos.any? { |repo| repo.url.include?("github.com/discoursehosting/") }
-      log "ERROR: Detected a reference to a compromised github organization: github.com/discoursehosting/"
-      log "Please remove any references to this organization from your configuration file."
-      log "For more information, see https://meta.discourse.org/t/374703/6"
-      raise "Compromised organization detected"
-    end
-
     log("********************************************************")
     log("*** Please be patient, next steps might take a while ***")
     log("********************************************************")