Remove useless search option filters

[trymeouteh]

Is your feature request related to a problem? Please describe.
There a certain filters in the search option that are not needed

Describe the solution you'd like
Please remove the following search options as they do nothing...

• Communities -> Community (Cannot search for communities inside a community)
• Communities -> Creator (Cannot search for users inside a community)
• User -> Feed (Subscribed) (You cannot subscribe to users)
• User -> Community (Cannot search for a community inside a users)
• User -> Creator (Cannot search for users inside a users)

Describe alternatives you've considered
None

Additional context
Have these options hidden

[micahmo]

Just a note that all of these superfluous options are also available on the web UI, so we are just replicating that experience. I'm not sure if any of these could be meaningful at some point, in which we'd want to have the UI in place.