git-remote-mediawiki: remove unused variable $entry

Signed-off-by: Célestin Matte <celestin.matte@ensimag.fr>
Signed-off-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/mw-to-git/git-remote-mediawiki.perl

@@ -123,7 +123,6 @@ $wiki_name =~ s{[^/]*://}{};
 $wiki_name =~ s/^.*@//;
 
 # Commands parser
-my $entry;
 my @cmd;
 while (<STDIN>) {
 	chomp;