cleaning up destroyRVM
cleaning up destroyRVM

There were a few lines pertaining to the deletion of cow file
that could safely be removed.

anrl/gini3,bpilania/SDNGini,anrl/gini,anrl/gini3,michaelkourlas/gini,anrl/gini3,anrl/gini3,anrl/gini,bernardkaminski/gini,StephenHamilton/gini,bpilania/SDNGini,bernardkaminski/gini,anrl/gini3,anrl/gini,StephenHamilton/gini,michaelkourlas/gini,bernardkaminski/gini,michaelkourlas/gini,bpilania/SDNGini,michaelkourlas/gini,StephenHamilton/gini,StephenHamilton/gini,bernardkaminski/gini,anrl/gini,bernardkaminski/gini,anrl/gini,bpilania/SDNGini,michaelkourlas/gini