Remove unnecessary \" symbols

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/help/public_access.html.haml

@@ -22,10 +22,10 @@
       %strong without any
       authentication.
       %br
-      It will also be listed on the #{link_to "public access directory", public_root_path}."
+      It will also be listed on the #{link_to "public access directory", public_root_path}.
       %br
       %strong Any logged in user
-      will have #{link_to "Guest", help_permissions_path} permissions on the repository."
+      will have #{link_to "Guest", help_permissions_path} permissions on the repository.
 
   .clearfix
     .dashboard-intro-icon