fix promo banner, delete old folders

site/source/misc-guides/index.rst

@@ -1,21 +0,0 @@
-Miscellaneous Guides
-====================
-
-.. toctree::
-   :maxdepth: 2
-   :hidden:
-
-   tor-os/index
-   tor-firefox/index
-   available-services
-   bitcoin-cli
-
-.. panel-box::
-  :title: Overview
-  :id: "misc-guides"
-  :class: my-panel
-
-  * :doc:`Tor for your computer <tor-os/index>` - A guide on how to run Tor on your computer's operating system
-  * :doc:`Tor for Firefox <tor-firefox/index>` - A guide on how to configure Tor for Firefox browser
-  * :doc:`Bitcoin CLI <bitcoin-cli>` - Steps on how to access the command line interface of bitcoind on your Embassy
-  * :doc:`Available services <available-services>` - A comprehensive list of services currently offered on EmbassyOS