Addresses OpenHistoricalMap/issues#1299 by removing an inappropriate test on the translatewiki branch

Author: erictheise

Dangerfile

@@ -15,9 +15,9 @@ modified_yml_files = git.modified_files.select do |file|
 end
 
 # Report if some translation file (except en.yml) is modified
-if modified_yml_files.empty?
+if modified_yml_files.empty? or branch_for_head == 'translatewiki'
   auto_label.remove("inappropriate-translations")
-else
+elseq
   modified_files_str = modified_yml_files.map { |file| "`#{file}`" }.join(", ")
   warn("The following YAML files other than `en.yml` have been modified: #{modified_files_str}. Only `en.yml` is allowed to be changed. Translations are updated via Translatewiki, see CONTRIBUTING.md.")
   auto_label.set(pr_number, "inappropriate-translations", "B60205")