Fix Rubocop.

Author: moroland

spec/gitlab/triage/linear/migrator/graphql_client_spec.rb

@@ -29,7 +29,6 @@
       it "returns the cached result" do
         expect(client.query(query_string, variables)).to eq("cached result")
       end
-
     end
 
     context "when the query is not in the cache" do