delete unused ModuleErrorException and TLA2BIOException

...in/java/de/tla2b/exceptions/ConfigFileErrorException.java

...a/de/tla2b/exceptions/ExpressionTranslationException.java

src/main/java/de/tla2b/exceptions/ModuleErrorException.java

...ain/java/de/tla2b/exceptions/NotImplementedException.java

...main/java/de/tla2b/exceptions/SemanticErrorException.java

src/main/java/de/tla2b/exceptions/TLA2BException.java

src/main/java/de/tla2b/exceptions/TLA2BIOException.java

src/main/java/de/tla2b/exceptions/TypeErrorException.java

src/main/java/de/tla2b/exceptions/UnificationException.java