Move registry to preference (#5428)

<!--
Thank you for opening a PR! Here are some things you need to know before submitting:

1. Please read our developer guideline: https://github.com/redhat-developer/odo/wiki/Developer-Guidelines
2. Label this PR accordingly with the '/kind' line
3. Ensure you have written and ran the appropriate tests: https://github.com/redhat-developer/odo/wiki/Writing-and-running-tests
4. Read how we approve and LGTM each PR: https://github.com/redhat-developer/odo/wiki/PR-Review

Documentation:

If you are pushing a change to documentation, please read: https://github.com/redhat-developer/odo/wiki/Contributing-to-Docs
-->

**What type of PR is this:**

<!--
Add one of the following kinds:
/kind bug
/kind cleanup
/kind tests
/kind documentation

Feel free to use other [labels](https://github.com/redhat-developer/odo/labels) as needed. However one of the above labels must be present or the PR will not be reviewed. This instruction is for reviewers as well.
-->
/kind feature

**What does this PR do / why we need it:**

This PR does the following:
- Moves "registry" to preference
- Gets rid of unused preference configuration options
- Reorders the parameters for preference for the usage in --help

**Which issue(s) this PR fixes:**
<!--
Specifying the issue will automatically close it when this PR is merged
-->

https://github.com/redhat-developer/odo/issues/5402

**PR acceptance criteria:**

- [X] Unit test

- [X] Integration test

- [X] Documentation

**How to test changes / Special notes to the reviewer:**

USAGE_DATA.md

@@ -32,6 +32,6 @@ The following table describes the additional information collected by odo comman
 | | **Cluster Type** | Openshift 4 / Kubernetes |
 |**Project Create**| Cluster Type |Openshift 4 / Kubernetes |
 |**Project Set**| Cluster Type |Openshift 4 / Kubernetes |
-|**Preference Change** | Preference Key| UpdateNotification/NamePrefix/Timeout/BuildTimeout/PushTimeout/Ephemeral/ConsentTelemetry |
+|**Preference Change** | Preference Key| UpdateNotification/Timeout/PushTimeout/RegistryCacheTime/Ephemeral/ConsentTelemetry |