docs: msys-no-pathconv names the held updater without guessing its first failure

Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>

docs/troubleshooting.md

@@ -2163,8 +2163,7 @@ or in Windows PowerShell:
 `/dev/null` and `/tmp/...` into paths native Windows programs can open. With
 `MSYS_NO_PATHCONV=1` exported, it passes them through unchanged: native Bun
 cannot open `/dev/null`, so every Bun-based gstack command fails before it
-starts, and the session updater holds new releases because its hook check runs
-Bun. `gstack-wtree` and `gstack-ff-update` hand Git their temp files in Windows
+starts, and the session updater holds new releases. `gstack-wtree` and `gstack-ff-update` hand Git their temp files in Windows
 form, so they work either way (#3468).
 
 **Fix.** Don't export `MSYS_NO_PATHCONV`. Set it only on the command that needs