removed unnecessary removal of elements during deduplication
removed unnecessary removal of elements during deduplication

TheWeatherCompany/terraforming,dtan4/terraforming,rlister/terraforming,dtan4/terraforming,ngs/terraforming,masayuki038/terraforming,rlister/terraforming,ngs/terraforming,masayuki038/terraforming,ngs/terraforming,rlister/terraforming,TheWeatherCompany/terraforming,TheWeatherCompany/terraforming,dtan4/terraforming,masayuki038/terraforming