Remove unneeded includes

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

divesitehelpers.cpp

@@ -6,7 +6,6 @@
 
 #include "divesite.h"
 #include "helpers.h"
-#include "usersurvey.h"
 #include "membuffer.h"
 #include <QJsonDocument>
 #include <QJsonArray>

qt-ui/diveshareexportdialog.cpp

@@ -2,7 +2,6 @@
 #include "ui_diveshareexportdialog.h"
 #include "mainwindow.h"
 #include "save-html.h"
-#include "usersurvey.h"
 #include "subsurfacewebservices.h"
 #include "helpers.h"
 

qt-ui/updatemanager.cpp

@@ -1,5 +1,4 @@
 #include "updatemanager.h"
-#include "usersurvey.h"
 #include "helpers.h"
 #include <QtNetwork>
 #include <QMessageBox>

qthelper.cpp

@@ -12,7 +12,6 @@
 #include <exif.h>
 #include "file.h"
 #include "prefs-macros.h"
-#include "mainwindow.h"
 #include <QFile>
 #include <QRegExp>
 #include <QDir>