cloudstack: remove duplicate import cs handling, already in utils.

lib/ansible/modules/extras/cloud/cloudstack/cs_project.py

@@ -141,12 +141,6 @@ tags:
   sample: '[ { "key": "foo", "value": "bar" } ]'
 '''
 
-try:
-    from cs import CloudStack, CloudStackException, read_config
-    has_lib_cs = True
-except ImportError:
-    has_lib_cs = False
-
 # import cloudstack common
 from ansible.module_utils.cloudstack import *
 
@@ -287,9 +281,6 @@ def main():
         supports_check_mode=True
     )
 
-    if not has_lib_cs:
-        module.fail_json(msg="python library cs required: pip install cs")
-
     try:
         acs_project = AnsibleCloudStackProject(module)