Fixed broken links on options page

_locales/en_GB/messages.json

 {
   "add": {
     "message": "Add"
   },
   "add_domain_button": {
     "message": "Add domain"
   },
   "add_filter_button": {
     "message": "Add filter"
   },
@@ skipping 33 matching lines @@
   "enable_only_the": {
     "message": "Enable only the filter lists you need. Too many can make Chrome unresponsive."
   },
   "enabled_for_site": {
     "message": "Enabled for this site"
   },
   "filter_lists": {
     "message": "Filter lists"
   },
   "filter_must_follow_syntax": {
-    "message": "Your filter must follow the <a href='$url$'>Adblock Plus filter syntax</a>.",
-    "placeholders": {
-      "url": {
-        "content": "$1"
-      }
-    }
+    "message": "Your filter must follow the <a>Adblock Plus filter syntax</a>."
   },
   "found_a_bug": {
-    "message": "Found a bug? Want to translate Adblock Plus into your language? Please <a href='$url$'>file a request here</a>.\n",
-    "placeholders": {
-      "url": {
-        "content": "$1"
-      }
-    }
+    "message": "Found a bug? Want to translate Adblock Plus into your language? Please <a>file a request here</a>.\n"
   },
   "general": {
     "message": "General"
   },
   "last_updated_at": {
     "message": "Last updated at $time$ on $date$",
     "placeholders": {
       "date": {
         "content": "$2"
       },
@@ skipping 30 matching lines @@
   },
   "subscriptionSelection_subscriptionSelector_label": {
     "message": "Please choose a filter subscription from the list:"
   },
   "update_now": {
     "message": "Update now"
   },
   "whitelisted_domains": {
     "message": "Whitelisted domains"
   }
-}
+}