Bug 1434427 - Replace string for preferences confirmRestartPrompt to use "cancel" instead of "revert". r=flod

* Removed the revertNoRestartButton entry from the migration script as this no longer exists after this change

MozReview-Commit-ID: AGJ2OfYVPok

--HG--
extra : rebase_source : df7f383f51e4d72c493e4cc43696eff2ee0034fa

browser/components/preferences/in-content/preferences.js

@@ -339,7 +339,7 @@ async function confirmRestartPrompt(aRestartToEnable, aDefaultButtonIndex,
       "feature-enable-requires-restart" : "feature-disable-requires-restart"],
     ["should-restart-title"],
     ["should-restart-ok"],
-    ["revert-no-restart-button"],
+    ["cancel-no-restart-button"],
     ["restart-later"],
   ]);
 

browser/locales/en-US/browser/preferences/preferences.ftl

@@ -55,5 +55,5 @@ feature-enable-requires-restart = { -brand-short-name } must restart to enable t
 feature-disable-requires-restart = { -brand-short-name } must restart to disable this feature.
 should-restart-title = Restart { -brand-short-name }
 should-restart-ok = Restart { -brand-short-name } now
-revert-no-restart-button = Revert
+cancel-no-restart-button = Cancel
 restart-later = Restart Later

python/l10n/fluent_migrations/bug_1424682_preferences_chrome.py

@@ -215,13 +215,6 @@ def migrate(ctx):
                     }
                 )
             ),
-            FTL.Message(
-                id=FTL.Identifier('revert-no-restart-button'),
-                value=COPY(
-                    'browser/chrome/browser/preferences/preferences.properties',
-                    'revertNoRestartButton',
-                )
-            ),
             FTL.Message(
                 id=FTL.Identifier('restart-later'),
                 value=COPY(