Removing the PipelineCache from help message
Removing the PipelineCache from help message

dylan-smith/vso-agent-tasks,Microsoft/vso-agent-tasks,dylan-smith/vso-agent-tasks,Microsoft/vso-agent-tasks,dylan-smith/vso-agent-tasks,Microsoft/vsts-tasks,Microsoft/vsts-tasks,Microsoft/vsts-tasks,dylan-smith/vso-agent-tasks,Microsoft/vsts-tasks,Microsoft/vso-agent-tasks,Microsoft/vsts-tasks,dylan-smith/vso-agent-tasks