Remove unused options from ipa-managed-entries

ipa-managed-entries contain auto-generated options that are not
used in the script and may just confuse users. Remove them.

https://fedorahosted.org/freeipa/ticket/2347

install/tools/ipa-managed-entries

@@ -58,11 +58,8 @@ def parse_options():
     parser.add_option("-p", "--password", dest="dirman_password",
                       help="Directory Manager password")
 
-    config.add_standard_options(parser)
     options, args = parser.parse_args()
 
-    config.init_config(options)
-
     return options, args
 
 def get_dirman_password():