docs: Remove no longer used properties. Cleanups. More property descriptions.

.runConfigurations/Build without tests with version.run.xml

.runConfigurations/Generate Installers.run.xml

HELP.md

root/defaults/serverpackcreator.properties

serverpackcreator-api/src/main/resources/HELP.md

...eator-api/src/main/resources/serverpackcreator.properties

...eator-api/src/test/resources/serverpackcreator.properties

...c/test/resources/testresources/languages/de_de.properties

...c/test/resources/testresources/languages/en_us.properties

...c/test/resources/testresources/languages/uk_ua.properties

...rces/testresources/properties/filters/contains.properties

...ources/testresources/properties/filters/either.properties

...resources/testresources/properties/filters/end.properties

...sources/testresources/properties/filters/regex.properties

...sources/testresources/properties/filters/start.properties

...eator-app/src/test/resources/serverpackcreator.properties

serverpackcreator-help/Writerside/topics/HELP.md