Remove empty line in Cohere models module

Author: infinityrobot

lib/ruby_llm/providers/cohere/models.rb

@@ -16,7 +16,6 @@ def parse_list_models_response(response, slug, capabilities)
           data = response.body
           return [] if data.empty?
 
-
           data['models']&.map do |model_data|
             model_id = model_data['name']