removing unused #includes

which also means we are now only including one xorfilter.h from one
repo

change Makefile to reflect this

Author: oschonrock

Makefile

@@ -21,7 +21,6 @@ build_filter: src/build_filter.cpp \
 	src/util.h \
 	dependencies/fastfilter_cpp/src/bloom/bloom.h \
 	dependencies/fastfilter_cpp/src/hashutil.h \
-	dependencies/fastfilter_cpp/src/xorfilter/xorfilter.h \
 	dependencies/xor_singleheader/include/binaryfusefilter.h \
 	dependencies/xor_singleheader/include/xorfilter.h
 	c++ -O3 -o build_filter src/build_filter.cpp -std=c++11 -Wall -Idependencies/fastfilter_cpp/src -Idependencies

src/build_filter.cpp

@@ -1,8 +1,6 @@
 #include <getopt.h>
 #include <inttypes.h>
-#include <iostream>
 #include <limits.h>
-#include <sstream>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -11,15 +9,12 @@
 #include "hexutil.h"
 #include "xor_singleheader/include/binaryfusefilter.h"
 #include "xor_singleheader/include/xorfilter.h"
-#include "xorfilter/xorfilter.h"
 
 #include "mappeablebloomfilter.h"
 
 static void printusage(char *command) {
   printf(" Try %s -f binaryfuse8 -o filter.bin mydatabase \n", command);
-  ;
   printf("The supported filters are xor8, binaryfuse8, binaryfuse16 and bloom12.\n");
-
   printf("The -V flag verifies the resulting filter.\n");
 }