Bug 1724509: apply code formatting via Lando

# ignore-this-changeset

startupcache/StartupCache.cpp

@@ -696,9 +696,7 @@ void StartupCache::IgnoreDiskCache() {
   if (gStartupCache) gStartupCache->InvalidateCache();
 }
 
-bool StartupCache::GetIgnoreDiskCache() {
+bool StartupCache::GetIgnoreDiskCache() { return gIgnoreDiskCache; }
-  return gIgnoreDiskCache;
-}
 
 void StartupCache::WaitOnPrefetch() {
   // This can't be called from within ThreadedPrefetch()