rm set..Margins etc

GUI/View/Fit/FitSessionWidget.cpp

@@ -32,8 +32,6 @@ FitSessionWidget::FitSessionWidget(QWidget* parent)
     , m_sessionController(nullptr)
 {
     auto* layout = new QVBoxLayout(this);
-    layout->setContentsMargins(0, 0, 0, 0);
-    layout->setSpacing(0);
     m_tabWidget = new QTabWidget(this);
     m_tabWidget->addTab(m_fitParametersWidget, "Fit Parameters");
     m_tabWidget->addTab(m_minimizerSettingsWidget, "Minimizer");

GUI/View/Project/PythonScriptWidget.cpp

@@ -64,8 +64,6 @@ PythonScriptWidget::PythonScriptWidget(QWidget* parent)
     Q_UNUSED(highlighter);
 
     auto* mainLayout = new QVBoxLayout;
-    mainLayout->setContentsMargins(0, 0, 0, 0);
-    mainLayout->setSpacing(0);
     mainLayout->addWidget(toolbar);
     mainLayout->addWidget(m_textEdit);
 

GUI/View/Widget/StyledToolbar.cpp

@@ -23,7 +23,6 @@ StyledToolbar::StyledToolbar(QWidget* parent)
     const int size = style()->pixelMetric(QStyle::PM_ToolBarIconSize);
     setIconSize(QSize(size, size));
     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
-    setContentsMargins(0, 0, 0, 0);
 }
 
 void StyledToolbar::addStyledSeparator()