Fix style.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ArrayModuleBuiltins.java

@@ -152,10 +152,9 @@ PArray arrayByteInitializer(VirtualFrame frame, LazyPythonClass cls, @SuppressWa
         }
 
         @Specialization(guards = "isCharArray(typeCode)")
-        PArray arrayCharInitializer(VirtualFrame frame, LazyPythonClass cls, @SuppressWarnings("unused") String typeCode, PSequence initializer,
+        PArray arrayCharInitializer(LazyPythonClass cls, @SuppressWarnings("unused") String typeCode, PSequence initializer,
                         @Cached SequenceNodes.GetSequenceStorageNode getSequenceStorageNode,
                         @Cached SequenceStorageNodes.ToByteArrayNode toByteArrayNode) {
-
             byte[] byteArray = toByteArrayNode.execute(getSequenceStorageNode.execute(initializer));
             return factory().createArray(cls, byteArray);
         }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/array/ArrayBuiltins.java

@@ -326,7 +326,6 @@ protected String getErrorMessage() {
         }
     }
 
-    // bytearray.append(x)
     @Builtin(name = "append", minNumOfPositionalArgs = 2)
     @GenerateNodeFactory
     public abstract static class ArrayAppendNode extends PythonBinaryBuiltinNode {