Revert "misc: fix svg rendering when not scaled"

This reverts commit e0072e3c.

Reason for revert: <INSERT REASONING HERE>

Change-Id: Iaac729d416ceb0cba696c7d5de9b274c3d3cee16

src/commoncomponents/ResponsiveImage.qml

@@ -61,13 +61,9 @@ Image {
     }
 
     function setSourceSize() {
-        if (ScreenInfo.getDevicePixelRatio() === 1.0)
-            return
-        if (isSvg) {
         sourceSize = undefined
+        if (isSvg)
             sourceSize = Qt.size(width, height)
-        } else
-            sourceSize = undefined
     }
 
     Connections {

src/mainapplication.h

@@ -50,10 +50,6 @@ public:
             Q_EMIT devicePixelRatioChanged();
         }
     }
-    Q_INVOKABLE double getDevicePixelRatio()
-    {
-        return devicePixelRatio_;
-    }
 
 Q_SIGNALS:
     void devicePixelRatioChanged();