log: drop dead code to concatenate --line-range patterns and pats
It's disabled since
2e45bbd3db7b, and the current implementation is unlikely
to be reused.
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
}