remove accessKeys from 2015-02-01-preview schema template
remove accessKeys from 2015-02-01-preview schema template

EvgenyAgafonchikov/azure-resource-manager-schemas,waynekuo/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas