Remove unused parameter

`agentInstallParams` is no returned anymore at GET `api/users` and
it would be ignored as part of the PUT request

Author: figarocorso

sdcclient/_client.py

@@ -649,7 +649,6 @@ def edit_user(self, user_email, firstName=None, lastName=None, systemRole=None):
             return res
         user = res[1]
         reqbody = {
-            'agentInstallParams': user['agentInstallParams'],
             'systemRole': systemRole if systemRole else user['systemRole'],
             'username': user_email,
             'enabled': user.get('enabled', False),