src/Doc/Classes/document/build

updated properties for scala.concurrent.ExecutionContext.Implicits.global (future task farm), similar to Isabelle/ML;
removed obsolete properties for old actors;

#!/usr/bin/env bash

set -e

FORMAT="$1"
VARIANT="$2"

"$ISABELLE_TOOL" logo Isar
"$ISABELLE_HOME/src/Doc/prepare_document" "$FORMAT"