11622 clean up rarer mandoc lint warnings

@@ -324,19 +324,15 @@
 This is a list of
 \fBsed\fP
 functions separated by newlines, as follows:
 
 { function
-.br
   function
-.br
   ...
-.br
   function
 .br
 }
-.br
 
 The
 ``{''
 can be preceded by white space and can be followed by white space.
 The function can be preceded by white space.