Bug 1314812 - followup nit: remove obsolete comments, rs=trivial,me,firebot, DONTBUILD

MozReview-Commit-ID: 8ElUTOUxEX8

browser/base/content/test/general/head.js

@@ -628,8 +628,6 @@ function promiseTabLoadEvent(tab, url)
     return true;
   }
 
-  // Create two promises: one resolved from the content process when the page
-  // loads and one that is rejected if we take too long to load the url.
   let loaded = BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, handle);
 
   if (url)

browser/base/content/test/plugins/head.js

@@ -90,8 +90,6 @@ function promiseTabLoadEvent(tab, url) {
     return true;
   }
 
-  // Create two promises: one resolved from the content process when the page
-  // loads and one that is rejected if we take too long to load the url.
   let loaded = BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, handle);
 
   if (url)

browser/components/safebrowsing/content/test/head.js

@@ -33,8 +33,6 @@ function promiseTabLoadEvent(tab, url, eventType="load")
     return true;
   }
 
-  // Create two promises: one resolved from the content process when the page
-  // loads and one that is rejected if we take too long to load the url.
   let loaded;
   if (eventType === "load") {
     loaded = BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, handle);

browser/components/search/test/head.js

@@ -112,8 +112,6 @@ function promiseTabLoadEvent(tab, url)
     return true;
   }
 
-  // Create two promises: one resolved from the content process when the page
-  // loads and one that is rejected if we take too long to load the url.
   let loaded = BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, handle);
 
   if (url)