private void removeNGram(InstructHash instHash,Hash curHash) {
		HashEntry hashEntry = instHash.hashEntries.remove(curHash);
		matchSort.remove(hashEntry);			// Remove from matchSort before modifying instList
		hashEntry.instList.remove(instHash);
		if (hashEntry.instList.isEmpty())
			hashSort.remove(curHash);
		else
			matchSort.add(hashEntry);			// Now that instList is updated, reinsert
	}
Low level removal of a particular n-gram from the sort 
@param instHash is (starting instruction) of the n-gram
@param curHash is hash (and size) of the n-gram
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/correlate/HashStore.java