fix: remove missing version file reference from Windows spec

Remove version='file_version_info.txt' parameter that references
a non-existent file, causing PyInstaller to fail on Windows.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: 777genius

packaging/launcher-windows.spec

@@ -88,7 +88,6 @@ exe = EXE(
     codesign_identity=None,
     entitlements_file=None,
     icon=None,  # TODO: Add .ico icon
-    version='file_version_info.txt'  # Will be created by CI/CD
 )
 
 coll = COLLECT(