Start cleaning up templates (hestiacp#3217)

* Remove list_ssl.js

* Remove setup_webapp.js

* Manually format edit_server.php and delete .js

* Maybe fix error due to certificate having newlines

* Fix textarea

* Add type button to generate button

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Co-authored-by: Jaap Marcus <9754650+jaapmarcus@users.noreply.github.com>

Author: imjuniper