build(husky): remove deprecated lines

Florian Uhlig · Florian Uhlig · commit da24e00df928 · 2024-10-01T12:36:08.000+02:00
```
git commit
husky - DEPRECATED

Please remove the following two lines from .husky/commit-msg:

. "$(dirname -- "$0")/_/husky.sh"

They WILL FAIL in v10.0.0
```
diff --git a/.husky/commit-msg b/.husky/commit-msg
@@ -1,4 +1 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 npx --no-install commitlint --edit $1
