Merge list_servers_with_detail to list_servers

Through consistent-service-method-names dev, list_<resources>_detail
methods are merged into list_<resources> method.
This patch merges list_servers_with_detail into list_servers.

Partially implements blueprint consistent-service-method-names

Change-Id: I0eae2b04adfaf17cbba3e615fa13fcaee8652436
7 files changed