Double check config file and clean it up if needed

There's a number of items on the config that could be removed if they don't work. Review the config items and verify they are all a. being used b. actually work.

```
# If hide_predefined is yes
# HIDE ALL PREDEFINED RECIPIENTS ACROSS ALL WORKFLOWS:
## Comment out all the list items (-) by adding a # in front of it.
# HIDE PREDEFINED RECIPIENTS WITH TARGET WORKFLOWS
## Add workflow names under hide_workflow_list such as " - Workflow name"
hide_workflow_list:
#- Notice how list items are comment out
- "Workflow name here"
- "Another workflow namer here"
# This feature will hide predefined cc recipients within your workflow
# yes to hide
# no to show
hide_cc: yes
# If hide_cc is yes
# HIDE ALL PREDEFINED CC RECIPIENTS ACROSS ALL WORKFLOWS:
## Comment out all the list items (-) by adding a # in front of it.
# HIDE PREDEFINED CC RECIPIENTS WITH TARGET WORKFLOWS
## Add workflow names under hide_cc_workflow_list such as " - Workflow name"
hide_cc_workflow_list:
#- Notice how list items are comment out
- "Workflow name here"
- "Another workflow namer here"
```

Start by locating the configuration containing hide_workflow_list, hide_cc, and hide_cc_workflow_list, then trace each setting to determine whether it is used and works as documented. Done means removing or correcting unsupported configuration items and confirming the remaining entries behave as described.

Written by the indexing model from the issue text.