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>

etc/loggers/test/requests.http

@@ -0,0 +1,18 @@
+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