Revert 241126 "[SyncFS] Add verbose logging to SyncEngineInitial..."

> [SyncFS] Add verbose logging to SyncEngineInitializer
> 
> BUG=240165
> R=kinuko@chromium.org, nhiroki@chromium.org
> 
> Review URL: https://codereview.chromium.org/94003004

TBR=tzik@chromium.org

Review URL: https://codereview.chromium.org/117023002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241141 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241141