Qt: Remove "What's this" button

Source/Core/DolphinQt2/CheatsManager.cpp

@@ -42,6 +42,7 @@ constexpr int COLUMN_ROLE = Qt::UserRole + 1;
 CheatsManager::CheatsManager(QWidget* parent) : QDialog(parent)
 {
   setWindowTitle(tr("Cheats Manager"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
   connect(&Settings::Instance(), &Settings::EmulationStateChanged, this,
           &CheatsManager::OnStateChanged);

Source/Core/DolphinQt2/Config/Mapping/GCPadWiiUConfigDialog.cpp

@@ -15,6 +15,8 @@
 GCPadWiiUConfigDialog::GCPadWiiUConfigDialog(int port, QWidget* parent)
     : QDialog(parent), m_port{port}
 {
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
   CreateLayout();
   ConnectWidgets();
 

Source/Core/DolphinQt2/Config/Mapping/IOWindow.cpp

@@ -34,7 +34,9 @@ IOWindow::IOWindow(QWidget* parent, ControllerEmu::EmulatedController* controlle
 {
   CreateMainLayout();
   ConnectWidgets();
+
   setWindowTitle(type == IOWindow::Type::Input ? tr("Configure Input") : tr("Configure Output"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
   Update();
 }

Source/Core/DolphinQt2/Config/NewPatchDialog.cpp

@@ -20,6 +20,8 @@
 NewPatchDialog::NewPatchDialog(PatchEngine::Patch& patch) : m_patch(patch)
 {
   setWindowTitle(tr("Patch Editor"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
   CreateWidgets();
   ConnectWidgets();
 

Source/Core/DolphinQt2/Config/PropertiesDialog.cpp

@@ -24,6 +24,8 @@ PropertiesDialog::PropertiesDialog(QWidget* parent, const UICommon::GameFile& ga
                      .arg(QString::fromStdString(game.GetFileName()),
                           QString::fromStdString(game.GetGameID()),
                           QString::fromStdString(game.GetLongName())));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
   QVBoxLayout* layout = new QVBoxLayout();
 
   QTabWidget* tab_widget = new QTabWidget(this);

Source/Core/DolphinQt2/FIFOPlayerWindow.cpp

@@ -29,6 +29,7 @@
 FIFOPlayerWindow::FIFOPlayerWindow(QWidget* parent) : QDialog(parent)
 {
   setWindowTitle(tr("FIFO Player"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
   CreateWidgets();
   ConnectWidgets();

Source/Core/DolphinQt2/GCMemcardManager.cpp

@@ -49,6 +49,7 @@ GCMemcardManager::GCMemcardManager(QWidget* parent) : QDialog(parent)
   resize(650, 500);
 
   setWindowTitle(tr("GameCube Memory Card Manager"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 }
 
 GCMemcardManager::~GCMemcardManager() = default;

Source/Core/DolphinQt2/NetPlay/MD5Dialog.cpp

@@ -31,6 +31,7 @@ MD5Dialog::MD5Dialog(QWidget* parent) : QDialog(parent)
   CreateWidgets();
   ConnectWidgets();
   setWindowTitle(tr("MD5 Checksum"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 }
 
 void MD5Dialog::CreateWidgets()

Source/Core/DolphinQt2/NetPlay/NetPlaySetupDialog.cpp

@@ -24,6 +24,7 @@ NetPlaySetupDialog::NetPlaySetupDialog(QWidget* parent)
     : QDialog(parent), m_game_list_model(Settings::Instance().GetGameListModel())
 {
   setWindowTitle(tr("Dolphin NetPlay Setup"));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
   CreateMainLayout();
 

Source/Core/DolphinQt2/TAS/GCTASInputWindow.cpp

@@ -17,6 +17,8 @@
 GCTASInputWindow::GCTASInputWindow(QWidget* parent, int num) : QDialog(parent)
 {
   setWindowTitle(tr("GameCube TAS Input %1").arg(num + 1));
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
   auto* main_stick_box = CreateStickInputs(this, tr("Main Stick"), m_x_main_stick_value,
                                            m_y_main_stick_value, 255, 255, Qt::Key_F, Qt::Key_G);
   auto* c_stick_box = CreateStickInputs(this, tr("C Stick"), m_x_c_stick_value, m_y_c_stick_value,

Source/Core/DolphinQt2/TAS/WiiTASInputWindow.cpp

@@ -25,6 +25,8 @@
 
 WiiTASInputWindow::WiiTASInputWindow(QWidget* parent, int num) : QDialog(parent), m_num(num)
 {
+  setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
   const QKeySequence ir_x_shortcut_key_sequence = QKeySequence(Qt::ALT + Qt::Key_F);
   const QKeySequence ir_y_shortcut_key_sequence = QKeySequence(Qt::ALT + Qt::Key_G);