maint: Remove redundant private function from the package manager. * pkg/private/rm_rf.m: remove file. * pkg/provate/build.m: remove calls to rm_rf. * pkg/provate/configure_make.m: remove calls to rm_rf. * pkg/provate/copy_files.m: remove calls to rm_rf. * pkg/provate/finish_installation.m: remove calls to rm_rf. * pkg/provate/install.m: remove calls to rm_rf. * pkg/provate/packinfo_copy_file.m: remove calls to rm_rf. * pkg/provate/prepare_installation.m: remove calls to rm_rf. * pkg/provate/repackage.m: remove calls to rm_rf. * pkg/provate/uninstall.m: remove calls to rm_rf.

--- a/scripts/pkg/pkg.m
+++ b/scripts/pkg/pkg.m
@@ -268,6 +268,9 @@
   persistent local_list = tilde_expand (fullfile ("~", ".octave_packages"));
   persistent global_list = fullfile (OCTAVE_HOME (), "share", "octave",
                                      "octave_packages");
+
+  confirm_recursive_rmdir (false, "local");
+
   mlock ();
 
   global_install = issuperuser ();