Remove deprecated uaa property: uaa.login.client_secret
Remove deprecated uaa property: uaa.login.client_secret

[#141038853]

Signed-off-by: Chunyi Lyu <0f8e751eae2b6087fa04691c2ff75f586389adcc@pivotal.io>

cloudfoundry/cf-deployment,emalm/cf-deployment,cloudfoundry/cf-deployment