Remove unneeded direct dependencies on prologlib and parserbase

They are not used directly, only by bparser and ltlparser, which pull
them in as their own dependency.

build.gradle

@@ -34,8 +34,6 @@ dependencies {
 	implementation(group: 'commons-cli', name: 'commons-cli', version: '1.5.0')
 	implementation(group: 'de.hhu.stups', name: 'tlatools', version: tlatools_version)
 
-	implementation(group: 'de.hhu.stups', name: 'prologlib', version: parser_version)
-	implementation(group: 'de.hhu.stups', name: 'parserbase', version: parser_version)
 	implementation(group: 'de.hhu.stups', name: 'bparser', version: parser_version)
 	implementation(group: 'de.hhu.stups', name: 'ltlparser', version: parser_version)