Revert "Merge branch 'backend' into 'main'"

This reverts merge request !2

server/src/main/resources/application-mock-data-test.properties

@@ -1,18 +0,0 @@
-spring.datasource.driverClassName=org.h2.Driver
-spring.datasource.username=sa
-spring.datasource.password=
-spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
-
-# use one of these alternatives...
-# ... purely in-memory, wiped on restart, but great for testing
-spring.datasource.url=jdbc:h2:mem:testdb
-# ... persisted on disk (in project directory)
-#spring.datasource.url=jdbc:h2:file:./h2-database
-
-# enable DB view on http://localhost:8080/h2-console
-spring.h2.console.enabled=true
-
-# strategy for table (re-)generation 
-spring.jpa.hibernate.ddl-auto=update
-# show auto-generated SQL commands
-#spring.jpa.hibernate.show_sql=true