remove trailing whitespace

doc/Language/variables.pod6

@@ -330,8 +330,7 @@ variable, it is recommended to use short names or ones that can be trivially
 understood in the correct order, to avoid surprise on behalf of the reader.
 
 Normal blocks and subroutines may also make use of placeholder variables but only if they do
-not have an explicit parameter list. 
-
+not have an explicit parameter list.
 
 =begin code :skip-test
 sub say-it    { say $^a; } # valid

xt/duplicates.t

@@ -51,14 +51,14 @@ for @files -> $file {
         $line = $last-word ~ " " ~ $line;
         $last-word = "";
 
-        next if $in-code; 
+        next if $in-code;
 
         my @line-dupes = ($line ~~ m:g/:i << (<alpha>+) >> \s+ << $0 >> /).map(~*[0]);
         for @line-dupes -> $dupe {
             next if $safe-dups ∋ ~$dupe[0];
             @dupes.push: "“" ~ $dupe[0] ~ "” on line $line-num";
         }
-        
+
         next if $is-pod;
         $line ~~ m/ << (<alpha>+) \s* $/;
         if ?$/ {