Replace ASTPrettyPrinter and Renamer with B parser PrettyPrinter

src/main/java/de/tla2b/output/ASTPrettyPrinter.java

src/main/java/de/tla2b/output/Renamer.java

src/main/java/de/tla2bAst/Translator.java

src/test/java/de/tla2b/util/TestUtil.java

src/test/java/testing/ExampleFilesTest.java