rm unused import

Author: Michal Medvecky

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/exception/PBaseExceptionGroup.java

@@ -42,7 +42,6 @@
 
 import com.oracle.graal.python.builtins.objects.tuple.PTuple;
 import com.oracle.graal.python.runtime.exception.PException;
-import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
 import com.oracle.truffle.api.object.Shape;
 import com.oracle.truffle.api.strings.TruffleString;