public boolean remove(long key) {
        if (indexer.remove(key) < 0) {
            return false;
        }
        return true;
    }
Removes a key from the hashtable
@param key key to be removed from the hashtable.
@return true if key is found and removed, false otherwise.
Ghidra/Framework/Generic/src/main/java/ghidra/util/datastruct/LongLongHashtable.java