[WINESYNC] Remove reference to winfile which was removed in 2023 (reactos#8972)

Housekeeping only. Remove reference to 'winfile' from WINESYNC.txt.

This was removed from the ReactOS tree in 2023 by Victor Perevertkin.
Reference commit: reactos@b82353c.

Author: Doug-Lyons

media/doc/WINESYNC.txt

@@ -266,7 +266,6 @@ base/applications/write             # Synced to WineStaging-3.3
 base/services/rpcss                 # Synced to Wine-10.0
 base/system/expand                  # Synced to WineStaging-3.3
 base/system/msiexec                 # Synced to Wine-9.8
-modules/rosapps/applications/winfile # Autosync
 
 In addition the following libs, dlls and source files are mostly based on code ported
 from Winehq CVS. If you are looking to update something in these files