Remove tokenizer invokations comments from KorAP XML output

Change-Id: I895f11989bc1924e79dc0a35ec4b709ccb05c290
diff --git a/Changes b/Changes
index 5bd0267..72adc31 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,5 @@
         - -s option added that uses sentence boundaries provided by the KorAP tokenizer (-tk)
+        - tokenizer invocation comments removed from KorAP XML output
 0.03 2021-01-12
         - Update KorAP-Tokenizer to released 2.0 version
         - Improve test suite for recent version
diff --git a/lib/KorAP/XML/TEI/Tokenizer/External.pm b/lib/KorAP/XML/TEI/Tokenizer/External.pm
index 02d9ccd..7e3fa5d 100644
--- a/lib/KorAP/XML/TEI/Tokenizer/External.pm
+++ b/lib/KorAP/XML/TEI/Tokenizer/External.pm
@@ -104,10 +104,6 @@
   # Start header
   my $output = $self->_header($text_id);
 
-  # TODO:
-  #   Escape the stringification of cmd.
-  $output .= '    <!-- ' . $self->{cmd} . " -->\n";
-
   # Wait 60m for the external tokenizer
   if ($self->{select}->can_read(WAIT_SECS)) {