reverting the change for password prompt  where the username was being displayed in the prompt text.
reverting the change for password prompt  where the username was being displayed in the prompt text.

jasper-schneider/azure-xplat-cli,rohmano/azure-xplat-cli,nbikhchandani/azure-xplat-cli,AzureRT/azure-xplat-cli,ClogenyTechnologies/azure-xplat-cli,wastoresh/azure-xplat-cli,yugangw-msft/azure-sdk-tools-xplat,msfcolombo/azure-xplat-cli,MikhailTryakhov/azure-xplat-cli,huangpf/azure-xplat-cli,amarzavery/azure-xplat-cli,huangpf/azure-xplat-cli,MsysTechnologiesllc/azure-xplat-cli,nbikhchandani/azure-xplat-cli,Azure/azure-xplat-cli,amarzavery/azure-xplat-cli,amarzavery/azure-xplat-cli,AzureRT/azure-xplat-cli,MikhailTryakhov/azure-xplat-cli,xingwu1/azure-xplat-cli,yugangw-msft/azure-xplat-cli,yugangw-msft/azure-sdk-tools-xplat,ClogenyTechnologies/azure-xplat-cli,jasper-schneider/azure-xplat-cli,nbikhchandani/azure-xplat-cli,wastoresh/azure-xplat-cli,Azure/azure-xplat-cli,haocs/azure-xplat-cli,msfcolombo/azure-xplat-cli,rkmanda/azure-xplat-cli,shuagarw/azure-xplat-cli,MsysTechnologiesllc/azure-xplat-cli,shuagarw/azure-xplat-cli,yugangw-msft/azure-xplat-cli,msfcolombo/azure-xplat-cli,rkmanda/azure-xplat-cli,amarzavery/azure-xplat-cli,xingwu1/azure-xplat-cli,yugangw-msft/azure-xplat-cli,wastoresh/azure-xplat-cli,MikhailTryakhov/azure-xplat-cli,xingwu1/azure-xplat-cli,rohmano/azure-xplat-cli,Nepomuceno/azure-xplat-cli,Azure/azure-xplat-cli,Nepomuceno/azure-xplat-cli,amarzavery/azure-xplat-cli,rkmanda/azure-xplat-cli,shuagarw/azure-xplat-cli,jasper-schneider/azure-xplat-cli,Azure/azure-xplat-cli,MsysTechnologiesllc/azure-xplat-cli,huangpf/azure-xplat-cli,yugangw-msft/azure-xplat-cli,haocs/azure-xplat-cli,AzureRT/azure-xplat-cli,Azure/azure-xplat-cli,ClogenyTechnologies/azure-xplat-cli,yugangw-msft/azure-sdk-tools-xplat,Nepomuceno/azure-xplat-cli,rohmano/azure-xplat-cli,yugangw-msft/azure-xplat-cli,haocs/azure-xplat-cli