Merge #16278: tests: Remove unused includes

9a841696c1 tests: Reduce compilation time and unneccessary recompiles by removing unused includes in tests (practicalswift)

Pull request description:

  Reduce compilation time and unneccessary recompiles by removing unused includes in tests.

  A subset of #16273 ("refactor: Reduce total compilation time by 2% and avoid unnecessary recompiles by removing unused includes") as requested by MarcoFalke in https://github.com/bitcoin/bitcoin/pull/16273#issuecomment-505022643.

ACKs for top commit:
  Sjors:
    ACK 9a84169 on macOS 10.14.5 (I rebased on #16289)

Tree-SHA512: bcb6ecffef689a9839bee1a5cb93abe83db1f30819a54226c5630fee456b5a5d187507d06861454adfda939c3556a975113f97662e415cb47fa0327ea4fd09fb

src/qt/test/addressbooktests.cpp

@@ -12,7 +12,6 @@
 
 #include <key.h>
 #include <key_io.h>
-#include <pubkey.h>
 #include <wallet/wallet.h>
 
 #include <QApplication>

src/qt/test/apptests.cpp

@@ -26,7 +26,6 @@
 #include <QtGlobal>
 #include <QtTest/QtTestWidgets>
 #include <QtTest/QtTestGui>
-#include <new>
 #include <string>
 #include <univalue.h>
 

src/qt/test/rpcnestedtests.cpp

@@ -4,7 +4,6 @@
 
 #include <qt/test/rpcnestedtests.h>
 
-#include <fs.h>
 #include <interfaces/node.h>
 #include <rpc/server.h>
 #include <qt/rpcconsole.h>

src/qt/test/rpcnestedtests.h

@@ -8,9 +8,6 @@
 #include <QObject>
 #include <QTest>
 
-#include <txdb.h>
-#include <txmempool.h>
-
 class RPCNestedTests : public QObject
 {
     Q_OBJECT

src/qt/test/test_main.cpp

@@ -6,7 +6,6 @@
 #include <config/bitcoin-config.h>
 #endif
 
-#include <chainparams.h>
 #include <interfaces/node.h>
 #include <qt/bitcoin.h>
 #include <qt/test/apptests.h>