removed warning: assigned but unused variable
removed warning: assigned but unused variable

refactored variables use in gherkin_builder.rb so that we don't have
assigned but unused variables

shivashankar2020/mands,enkessler/cucumber-ruby,marxarelli/cucumber,tom025/cucumber,brasmusson/cucumber,tom025/cucumber,jasonkarns/cucumber-ruby,danascheider/cucumber-ruby,shadow000902/cucumber-ruby,dg-ratiodata/cucumber-ruby,martinma4/cucumber-ruby,sideci-sample/sideci-sample-cucumber,cucumber/cucumber-ruby,CW5000/CWFDerpy,tom025/cucumber,dg-ratiodata/cucumber-ruby,shivashankar2020/mands,nfredrik/cucumber-ruby,brasmusson/cucumber,marxarelli/cucumber,shivashankar2020/mands,nfredrik/cucumber-ruby,CW5000/CWFDerpy,martinma4/cucumber-ruby,dg-ratiodata/cucumber-ruby,enkessler/cucumber-ruby,enkessler/cucumber-ruby,cucumber/cucumber-ruby,phoebeclarke/cucumber-ruby,twalpole/cucumber,richarda/cucumber,phoebeclarke/cucumber-ruby,sideci-sample/sideci-sample-cucumber,richarda/cucumber,shadow000902/cucumber-ruby,twalpole/cucumber,cucumber/cucumber-ruby,jasonkarns/cucumber-ruby,danascheider/cucumber-ruby,jasonkarns/cucumber-ruby