remove exceptions from script tag checker that are no longer needed

All inline scripts have been removed, so we no longer need the
exceptions.

t/html.t

@@ -8,9 +8,7 @@ use File::Find ();
 use Path::Tiny qw( path );
 
 # files that have inline <script> tags
-my %skip = map { $_ => 1 } (
-    'root/about/contributors.tx', 'root/account/profile.tx', 'root/base.tx',
-);
+my %skip = map { $_ => 1 } ();
 
 File::Find::find(
     {