Merge #10574: Remove includes in .cpp files for things the corresponding .h file already included

a720b92 Remove includes in .cpp files for things the corresponding .h file already included (practicalswift)

Pull request description:

  Remove includes in .cpp files for things the corresponding .h file already included.

  Example case:
  * `addrdb.cpp` includes `addrdb.h` and `fs.h`
  * `addrdb.h` includes `fs.h`

  Then remove the direct inclusion of `fs.h` in `addrman.cpp` and rely on the indirect inclusion of `fs.h` via the included `addrdb.h`.

  In line with the header include guideline (see #10575).

Tree-SHA512: 8704b9de3011a4c234db336a39f7d2c139e741cf0f7aef08a5d3e05197e1e18286b863fdab25ae9638af4ff86b3d52e5cab9eed66bfa2476063aa5c79f9b0346

src/qt/sendcoinsdialog.cpp

@@ -13,7 +13,6 @@
 #include <qt/optionsmodel.h>
 #include <qt/platformstyle.h>
 #include <qt/sendcoinsentry.h>
-#include <qt/walletmodel.h>
 
 #include <base58.h>
 #include <chainparams.h>
@@ -25,11 +24,9 @@
 #include <wallet/fees.h>
 
 #include <QFontMetrics>
-#include <QMessageBox>
 #include <QScrollBar>
 #include <QSettings>
 #include <QTextDocument>
-#include <QTimer>
 
 static const std::array<int, 9> confTargets = { {2, 4, 6, 12, 24, 48, 144, 504, 1008} };
 int getConfTargetForIndex(int index) {