Fix unused import causing build failure

Removed gitDeleteRemoteBranch from imports as it's now only used via branch-cleanup functions. Kept gitDeleteBranch as it's still directly used in the push failure path.

Author: jdalton

src/commands/fix/coana-fix.mts

@@ -31,7 +31,6 @@ import {
   gitCommit,
   gitCreateBranch,
   gitDeleteBranch,
-  gitDeleteRemoteBranch,
   gitPushBranch,
   gitRemoteBranchExists,
   gitResetAndClean,