Run remove instances command iff instances are present
Run remove instances command iff instances are present

[#151660738]

rahulkj/pcf-pipelines,pvsone/pcf-pipelines,pivotal-cf/pcf-pipelines,cah-josephgeorge/pcf-pipelines,cah-josephgeorge/pcf-pipelines,rahulkj/pcf-pipelines,cah-josephgeorge/pcf-pipelines,sandyg1/pcf-pipelines,pivotal-cf/pcf-pipelines,mcb/pcf-pipelines,mcb/pcf-pipelines,pivotal-cf/pcf-pipelines,pivotal-cf/pcf-pipelines,sandyg1/pcf-pipelines,pvsone/pcf-pipelines,sandyg1/pcf-pipelines,rahulkj/pcf-pipelines,sandyg1/pcf-pipelines,rahulkj/pcf-pipelines,mcb/pcf-pipelines,pvsone/pcf-pipelines