Bug 1410638 - Remove unused strings and styling after bug 1331931. r=dao

MozReview-Commit-ID: 1vExIGws46v

--HG--
extra : rebase_source : befc948e6a8b68038cd6a3c5ecfb5ce2e436f2b3

browser/locales/en-US/chrome/browser/browser.dtd

@@ -708,8 +708,6 @@ you can use these alternative items. Otherwise, their values should be empty.  -
 <!ENTITY pageStylePersistentOnly.label "Basic Page Style">
 <!ENTITY pageStylePersistentOnly.accesskey "b">
 
-<!ENTITY pageReportIcon.tooltip            "Change pop-up blocking settings for this website">
-
 <!ENTITY allowPopups.accesskey "p">
 <!-- On Windows we use the term "Options" to describe settings, but
      on Linux and Mac OS X we use "Preferences" - carry that distinction

browser/themes/shared/urlbar-searchbar.inc.css

@@ -343,12 +343,6 @@
   fill-opacity: 1;
 }
 
-/* Blocked popup icon */
-
-#page-report-button {
-  list-style-image: url(chrome://browser/skin/notification-icons/popup.svg);
-}
-
 /* Zoom button */
 
 #urlbar-zoom-button {