move blueprints out of the sidebar into Ctrl+C / Ctrl+V dialogs

src/ui/BuildButtonBar.cpp

@@ -96,16 +96,6 @@ namespace
         return result;
     }
 
-    // A pixmap's size in device-independent pixels. The pixmaps composed here are
-    // rasterized at the device pixel ratio, so their raw size is not their layout size.
-    QSize getLogicalSize(const QPixmap& pixmap)
-    {
-        if (pixmap.isNull()) { return QSize(0, 0); }
-        const qreal dpr = pixmap.devicePixelRatio();
-        return QSize(static_cast<int>(pixmap.width()  / dpr),
-                     static_cast<int>(pixmap.height() / dpr));
-    }
-
     // One button face: the hotkey badge in the top-left corner, the chip icon centered
     // below it, and the caption — the cost, or the Deconstruct name — centered at the
     // bottom (REQ-UI-BUILD-COST). The three are composed into a single pixmap because