Initial pgindent and pgperltidy run for v14.

Also "make reformat-dat-files".

The only change worthy of note is that pgindent messed up the formatting
of launcher.c's struct LogicalRepWorkerId, which led me to notice that
that struct wasn't used at all anymore, so I just took it out.

src/backend/utils/mb/Unicode/convutils.pm

@@ -381,7 +381,7 @@ sub print_radix_table
 		header  => "Dummy map, for invalid values",
 		min_idx => 0,
 		max_idx => $widest_range,
-		label => "dummy map"
+		label   => "dummy map"
 	  };
 
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