make undo script a bit stronger

pforret · pforret · commit 303017ab4320 · 2021-04-01T15:20:43.000+02:00
diff --git a/undo_configure.sh b/undo_configure.sh
@@ -2,3 +2,5 @@
 echo "## revert to last commit"
 git reset head --hard
 git clean -f -d
+rm -fr vendor
+rm composer.lock
