btrbk: do not print headers to transaction_log, these are documented in btrbk.conf(5)

ChangeLog

@@ -3,6 +3,7 @@ btrbk-current
   * Bugfix: set correct parent section when propagating targets
     (close: #85).
   * Add syslog output of transaction log (close #82).
+  * Do not print headers to transaction log anymore.
 
 btrbk-0.23.0
 

btrbk

@@ -334,8 +334,8 @@ sub init_transaction_log($$)
   my $config_syslog_facility = shift;
   if(defined($file) && (not $dryrun)) {
     if(open($tlog_fh, ">> $file")) {
-      # print headers
-      print_formatted("transaction", [ ], output_format => "tlog", outfile => $tlog_fh);
+      # print headers (disabled)
+      # print_formatted("transaction", [ ], output_format => "tlog", outfile => $tlog_fh);
       INFO "Using transaction log: $file";
     } else {
       $tlog_fh = undef;