iconSizes.default be gone

This is used nowhere, so better get rid of it before someone gets the
idea.

Leaves us with only one non-scaled icon size. Maybe worth considering to
get rid of this as well, and let Folderview decide?

src/declarativeimports/core/units.cpp

@@ -55,9 +55,10 @@ Units::~Units()
 
 void Units::iconLoaderSettingsChanged()
 {
-    m_iconSizes->insert("default", QVariant(KIconLoader::global()->currentSize(KIconLoader::Desktop)));
+    // These are not scaled, we respect the user's setting over dpi scaling
     m_iconSizes->insert("desktop", QVariant(KIconLoader::global()->currentSize(KIconLoader::Desktop)));
 
+    // The following icon sizes are fully scaled to dpi
     m_iconSizes->insert("small", devicePixelIconSize(KIconLoader::SizeSmall));
     m_iconSizes->insert("smallMedium", devicePixelIconSize(KIconLoader::SizeSmallMedium));
     m_iconSizes->insert("medium", devicePixelIconSize(KIconLoader::SizeMedium));
@@ -102,7 +103,7 @@ int Units::devicePixelIconSize(const int size) const
         out = dpisize;
     }
     // FIXME: Add special casing for < 64 cases: align to kiconloader size
-    
+
     //qDebug() << " Size in: " << size << dpisize << " -> " << out;
     return out;
 }

src/declarativeimports/core/units.h

@@ -44,7 +44,7 @@ class Units : public QObject
      * The icon sizes provided are normalized for different DPI, so icons
      * will scale depending on the DPI.
      *
-     * Icon sizes from KIconLoader:
+     * Icon sizes from KIconLoader, adjusted to devicePixelRatio:
      * * small
      * * smallMedium
      * * medium
@@ -52,12 +52,8 @@ class Units : public QObject
      * * huge
      * * enormous
      *
-     * Icon sizes depending on the context: use those if possible
-     * Access with units.iconSizes.desktop units.iconSizes.small etc.
-     * available keys are:
+     * Not devicePixelRation-adjusted::
      * * desktop
-     * * toolbar
-     * * dialog
      */
     Q_PROPERTY(QQmlPropertyMap *iconSizes READ iconSizes NOTIFY iconSizesChanged)