remove trailing whitespace

Author: coke

doc/Language/regexes.pod6

@@ -1490,5 +1490,5 @@ won't match a string like C<"\n \n">, because there is a blank between the
 two newlines. To allow such input strings, replace C<\n+> by C<\n\s*>.
 
 =end pod
- 
+
 # vim: expandtab shiftwidth=4 ft=perl6

doc/Type/NFD.pod6

@@ -9,5 +9,5 @@
 A Codepoint string in the "D" L<Unicode Normalization Form|http://www.unicode.org/reports/tr15/>
 
 =end pod
-  
+
 # vim: expandtab shiftwidth=4 ft=perl6

doc/Type/NFKD.pod6

@@ -8,7 +8,7 @@
 
 A Codepoint string in Unicode Normalization Form KD. It is created by Compatibility Decomposition.
 For more information on what this means, see L<Unicode TR15|http://www.unicode.org/reports/tr15/>.
- 
+
 =end pod
 
 # vim: expandtab shiftwidth=4 ft=perl6