Remove unused includes

src/test/bip32_tests.cpp

@@ -8,7 +8,6 @@
 #include <key.h>
 #include <key_io.h>
 #include <streams.h>
-#include <util/system.h>
 #include <util/strencodings.h>
 #include <test/setup_common.h>
 

src/test/compress_tests.cpp

@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <compressor.h>
-#include <util/system.h>
 #include <test/setup_common.h>
 
 #include <stdint.h>

src/test/key_properties.cpp

@@ -4,7 +4,6 @@
 #include <key.h>
 
 #include <uint256.h>
-#include <util/system.h>
 #include <test/setup_common.h>
 #include <vector>
 

src/test/policyestimator_tests.cpp

@@ -6,7 +6,6 @@
 #include <policy/fees.h>
 #include <txmempool.h>
 #include <uint256.h>
-#include <util/system.h>
 #include <util/time.h>
 
 #include <test/setup_common.h>

src/test/pow_tests.cpp

@@ -5,7 +5,6 @@
 #include <chain.h>
 #include <chainparams.h>
 #include <pow.h>
-#include <util/system.h>
 #include <test/setup_common.h>
 
 #include <boost/test/unit_test.hpp>

src/test/skiplist_tests.cpp

@@ -3,7 +3,6 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chain.h>
-#include <util/system.h>
 #include <test/setup_common.h>
 
 #include <vector>

src/test/streams_tests.cpp

@@ -2,7 +2,6 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <random.h>
 #include <streams.h>
 #include <test/setup_common.h>
 

src/test/txindex_tests.cpp

@@ -6,7 +6,6 @@
 #include <index/txindex.h>
 #include <script/standard.h>
 #include <test/setup_common.h>
-#include <util/system.h>
 #include <util/time.h>
 
 #include <boost/test/unit_test.hpp>