Spring Cleaning → removing obsolete stuff, and moved non-app things to ./etc (#810)

* Remove obsolete stuff, and moved non-app things to ./etc
* remove test
* Update package-lock

---------

Co-authored-by: Christian Georgi <christian.georgi@sap.com>

loggers/test/requests.http

@@ -1,18 +0,0 @@
-http://localhost:4004/loggers.html
-@body: = Content-Type: application/json\n\n
-
-###
-GET http://localhost:4004/log/Loggers
-
-###
-PUT http://localhost:4004/log/Logger/sqlite
-{{body:}} { "level": "debug" }
-
-###
-POST http://localhost:4004/log/debug(logger='sqlite')
-
-###
-POST http://localhost:4004/log/reset(logger='sqlite')
-
-### Dummy request to see sqlite debug output
-GET http://localhost:4004/sue/Dummy