check-code: drop the `safehasattr` rule
Since we no longer supports Python 2 we no longer needs to use a custom function
to compensate the short comings of the global `hasattr` function in it.
We cannot use the Python 3 `hasattr` function instead.
fixbundle() {
grep -v 'saving bundle' | grep -v 'saved backup' | \
grep -v added | grep -v adding | \
grep -v "unable to find 'e' for patching" | \
grep -v "e: No such file or directory" | \
cat
}