tests/histedit-helpers.sh

sparse: move config updating function into core

As part of the move, the ui argument was dropped.

Additional fixups will be made in a follow-up commit.

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
}