libtracker-miner: Handle directories with IGNORED flag being removed
libtracker-miner: Handle directories with IGNORED flag being removed

In this case, the directory could be reindexed if it's in another indexed
location.

hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker