feat: remove ipfs-desktop settings

[hacdias]

This is ipfs-webui part of ipfs/ipfs-desktop#1425

[lidel]

@hacdias I see we keep the code related to Countly:
do you remember how that works, or can link issues where it was discussed?

Would be useful for @rafaelramalho19 to be aware how gathering opt-in metrics works.

[hacdias]

@lidel @rafaelramalho19 yes, we are keeping the Countly code so we can use the same ID for the Web UI when it is used via IPFS Desktop. Issues and PRs:

• Improved Analytics ipfs-desktop#1063
• feat: analytics ipfs-desktop#1068
• Allow IPFS Desktop to pass in the countly key to use #992
• feat: share countly data with ipfs desktop #1136

The latter introduced the sharing between IPFS Desktop and IPFS Web UI where we can use Web UI to enable/disable the analytics.

However, I don't mind removing the Countly-related parts. As far as I remember, we set up this sharing to be able to have better understanding of how IPFS Desktop users were using Web UI, even though we never did that analysis.

[lidel]

Thank you! Let's leave Countly as-is for now, the key here is to remove Desktop settings from Webui, so user always gets the same thing, no matter from where webui was opened from.

[hacdias]

Thanks for the approval. I'm merging this now then. @rafaelramalho19 if you need something or some explanation about something I did, just ping me.