Bug 1253556 - Remove unnecessary netmonitor.status.* strings. r=vporof

devtools/client/locales/en-US/netmonitor.properties

@@ -74,16 +74,6 @@ netmonitor.security.hostHeader=Host %S:
 #   Organization: <Not Available>
 netmonitor.security.notAvailable=<Not Available>
 
-# LOCALIZATION NOTE (netmonitor.status.cached):
-# This string is used as tooltip text over the status icon when a request is
-# served from cached.
-netmonitor.status.cached=cached
-
-# LOCALIZATION NOTE (netmonitor.status.serviceWorker):
-# This string is used as tooltip text over the status icon when a request is
-# served from a service worker.
-netmonitor.status.serviceWorker=service worker
-
 # LOCALIZATION NOTE (collapseDetailsPane): This is the tooltip for the button
 # that collapses the network details pane in the UI.
 collapseDetailsPane=Hide request details

devtools/client/netmonitor/netmonitor-view.js

@@ -1849,12 +1849,12 @@ RequestsMenuView.prototype = Heritage.extend(WidgetMethods, {
       }
       case "status": {
         let node = $(".requests-menu-status-icon", target);
+        // "code" attribute is only used by css to determine the icon color
         let code;
         if (value.cached) {
-          code = L10N.getStr("netmonitor.status.cached");
           code = "cached";
         } else if (value.serviceWorker) {
-          code = L10N.getStr("netmonitor.status.serviceWorker");
+          code = "service worker";
         } else {
           code = value.status;
         }
@@ -2915,11 +2915,12 @@ NetworkDetailsView.prototype = {
     }
 
     if (data.status) {
+      // "code" attribute is only used by css to determine the icon color
       let code;
       if (data.fromCache) {
-        code = L10N.getStr("netmonitor.status.cached");
+        code = "cached";
       } else if (data.fromServiceWorker) {
-        code = L10N.getStr("netmonitor.status.serviceWorker");
+        code = "service worker";
       } else {
         code = data.status;
       }