code: void deleteTag(long bucketIndex, int posInBucket) {
  		long tagStartIdx = getTagOffset(bucketIndex, posInBucket);
  		memBlock.clear(tagStartIdx, tagStartIdx + bitsPerTag);
  	}
docs: Deletes (clears) a tag at a specific bucket index and position
  
  @param bucketIndex bucket index
  @param posInBucket position in bucket